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  Species: Chaetostoma aff. lineopunctatum
  Caption: Adult - dorsal view
• 
  Species: Dekeyseria scaphirhynchus
  Caption: Adult dorsal view
• 
  Species: Doras phlyzakion
  Caption: Adult, dorsal view
• 
  Species: Acanthodoras sp. (1)
  Caption: Albino - dorsal view
• 
  Species: Imparfinis mirini
  Caption: Albino, Rio Pardo basin, dorsal view
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  Species: Centromochlus akwe
  Caption: Alternate color pattern, dorsal view
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  Species: Ancistrus centrolepis
  Caption: Baudo River, Choco, Colombia. Dorsal view.
• 
  Species: Liosomadoras morrowi
  Caption: Brown colouration; Dorsal view
• 
  Species: Liosomadoras morrowi
  Caption: Brown colouration; Dorsal view
• 
  Species: Malacoglanis gelatinosus
  Caption: Cano Palomas, dorsal view
• 
  Species: Zaireichthys cf. pallidus
  Caption: Chobe Rapids, Kasane. Dorsal view
• 
  Species: Zaireichthys cf. pallidus
  Caption: Chobe Rapids, Kasane. Dorsal view
• 
  Species: Aposturisoma myriodon
  Caption: Close up of dorsal view of head
• 
  Species: Crossoloricaria sp. `PERU`
  Caption: Close-up dorsal view
• 
  Species: Loricaria birindellii
  Caption: Close-up dorsal view
• 
  Species: Sturisomatichthys reinae
  Caption: Close-up dorsal view
• 
  Species: Synodontis granulosus
  Caption: Close-up dorsal view of head
• 
  Species: Peckoltia braueri
  Caption: Close-up dorsal view of head showing pattern variances
• 
  Species: Noturus gyrinus
  Caption: Close-up of dorsal view
• 
  Species: Sturisomatichthys aureus
  Caption: Close-up of dorsal view
• 
  Species: Trachelyopterus sp. (2)
  Caption: Close-up of dorsal view of head
• 
  Species: Chaca bankanensis
  Caption: Close-up of dorsal view of head
• 
  Species: Chaca chaca
  Caption: Close-up of dorsal view of head
• 
  Species: Dolichancistrus fuesslii
  Caption: Close-up of dorsal view of head
• 
  Species: Rineloricaria melini
  Caption: Close-up of dorsal view of head
• 
  Species: Brachyplatystoma tigrinum
  Caption: Close-up of dorsal view of head
• 
  Species: Astroblepus caquetae
  Caption: Close-up of head, Dorsal view
• 
  Species: Ancistrus lineolatus
  Caption: Close-up of head, Dorsal view
• 
  Species: Chaetostoma platyrhynchus
  Caption: Close-up of head, Dorsal view
• 
  Species: Chaetostoma sp. (6)
  Caption: Close-up of head, dorsal view
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  Species: Chaetostoma vagum
  Caption: Close-up of head, Dorsal view
• 
  Species: Hypostomus argus
  Caption: Close-up of head, Dorsal view
• 
  Species: Hypostomus niceforoi
  Caption: Close-up of head, Dorsal view
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  Species: Hypostomus oculeus
  Caption: Close-up of head, Dorsal view
• 
  Species: Rineloricaria felipponei
  Caption: Close-up of head, Dorsal view
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  Species: Rineloricaria pareiacantha
  Caption: Close-up of head, Dorsal view
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  Species: Hypostomus cf. paulinus
  Caption: Close-up of head. Dorsal view
• 
  Species: Oxyropsis wrightiana
  Caption: Close-up of head; Dorsal view
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  Species: Rineloricaria stewarti
  Caption: Close-up of head; Dorsal view
• 
  Species: Chaetostoma spondylus
  Caption: Collected in Upper Maranon. Dorsal view
• 
  Species: Pterobunocephalus depressus
  Caption: Dark color variant, Dorsal view
• 
  Species: Ailiichthys punctata
  Caption: Dorsal view
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  Species: Proeutropiichthys taakree
  Caption: Dorsal view
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  Species: Acrochordonichthys guttatus
  Caption: Dorsal view
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  Species: Acrochordonichthys rugosus
  Caption: Dorsal view
• 
  Species: Akysis bilustris
  Caption: Dorsal view
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  Species: Akysis prashadi
  Caption: Dorsal view
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  Species: Akysis prashadi
  Caption: Dorsal view
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  Species: Akysis prashadi
  Caption: Dorsal view
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  Species: Akysis pulvinatus
  Caption: Dorsal view
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  Species: Pseudobagarius inermis
  Caption: Dorsal view
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  Species: Pseudobagarius meridionalis
  Caption: Dorsal view
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  Species: Pseudobagarius similis
  Caption: Dorsal view
• 
  Species: Amblyceps arunachalense
  Caption: Dorsal view
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  Species: Amblyceps foratum
  Caption: Dorsal view
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  Species: Amblyceps protentum
  Caption: Dorsal view
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  Species: Liobagrus anguillicauda
  Caption: Dorsal view
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  Species: Xiurenbagrus gigas
  Caption: Dorsal view
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  Species: Amphilius brevis
  Caption: Dorsal view
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  Species: Amphilius grandis
  Caption: Dorsal view
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  Species: Amphilius jacksonii
  Caption: Dorsal view
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  Species: Amphilius krefftii
  Caption: Dorsal view
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  Species: Amphilius longirostris
  Caption: Dorsal view
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  Species: Amphilius maesii
  Caption: Dorsal view
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  Species: Amphilius natalensis
  Caption: Dorsal view
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  Species: Amphilius opisthophthalmus
  Caption: Dorsal view
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  Species: Amphilius platychir
  Caption: Dorsal view
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  Species: Amphilius sp. (1)
  Caption: Dorsal view
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  Species: Amphilius sp. (2)
  Caption: Dorsal View
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  Species: Amphilius uranoscopus
  Caption: Dorsal view
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  Species: Belonoglanis brieni
  Caption: Dorsal view
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  Species: Belonoglanis brieni
  Caption: Dorsal view
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  Species: Dolichamphilius brieni
  Caption: Dorsal view
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  Species: Doumea typica
  Caption: Dorsal view
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  Species: Paramphilius baudoni
  Caption: Dorsal view
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  Species: Phractura fasciata
  Caption: Dorsal view
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  Species: Phractura scaphyrhynchura
  Caption: Dorsal view
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  Species: Tetracamphilius angustifrons
  Caption: Dorsal view
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  Species: Trachyglanis ineac
  Caption: Dorsal view
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  Species: Trachyglanis ineac
  Caption: Dorsal view
• 
  Species: Trachyglanis ineac
  Caption: Dorsal view
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  Species: Trachyglanis sanghensis
  Caption: Dorsal view
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  Species: Zaireichthys mandevillei
  Caption: Dorsal view
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  Species: Zaireichthys rotundiceps
  Caption: Dorsal view
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  Species: Gogo atratus
  Caption: Dorsal view
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  Species: Gogo brevibarbis
  Caption: Dorsal view
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  Species: Apteronotus albifrons
  Caption: Dorsal view
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  Species: Ariopsis assimilis
  Caption: Dorsal view
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  Species: Arius acutirostris
  Caption: Dorsal view
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  Species: Bagre marinus
  Caption: Dorsal view
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  Species: Cinetodus froggatti
  Caption: Dorsal view
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  Species: Hexanematichthys mastersi
  Caption: Dorsal view
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  Species: Neoarius graeffei
  Caption: Dorsal view
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  Species: Netuma bilineata
  Caption: Dorsal view
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  Species: Sciades herzbergii
  Caption: Dorsal view
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  Species: Acanthobunocephalus nicoi
  Caption: Dorsal view
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  Species: Amaralia hypsiura
  Caption: Dorsal view
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  Species: Aspredinichthys filamentosus
  Caption: Dorsal view
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  Species: Aspredo aspredo
  Caption: Dorsal view
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  Species: Bunocephalus coracoideus
  Caption: Dorsal view
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  Species: Bunocephalus hertzi
  Caption: Dorsal view
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  Species: Bunocephalus knerii
  Caption: Dorsal view
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  Species: Bunocephalus knerii
  Caption: Dorsal view
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  Species: Bunocephalus larai
  Caption: Dorsal view
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  Species: Dupouyichthys sapito
  Caption: Dorsal view
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  Species: Ernstichthys intonsus
  Caption: Dorsal view
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  Species: Ernstichthys megistus
  Caption: Dorsal view
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  Species: Hoplomyzon atrizona
  Caption: Dorsal view
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  Species: Micromyzon akamai
  Caption: Dorsal view
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  Species: Platystacus cotylephorus
  Caption: Dorsal view
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  Species: Pterobunocephalus depressus
  Caption: Dorsal view
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  Species: Pterobunocephalus depressus
  Caption: Dorsal view
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  Species: Pterobunocephalus depressus
  Caption: Dorsal view
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  Species: Xyliphius kryptos
  Caption: Dorsal view
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  Species: Xyliphius lepturus
  Caption: Dorsal view
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  Species: Xyliphius lepturus
  Caption: Dorsal view
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  Species: Xyliphius melanopterus
  Caption: Dorsal view
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  Species: Xyliphius melanopterus
  Caption: Dorsal view
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  Species: Xyliphius melanopterus
  Caption: Dorsal view
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  Species: Xyliphius melanopterus
  Caption: Dorsal view
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  Species: Xyliphius sofiae
  Caption: Dorsal view
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  Species: Astroblepus boulengeri
  Caption: Dorsal view
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  Species: Astroblepus brachycephalus
  Caption: Dorsal view
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  Species: Astroblepus chotae
  Caption: Dorsal view
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  Species: Astroblepus cirratus
  Caption: Dorsal view
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  Species: Astroblepus eigenmanni
  Caption: Dorsal view
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  Species: Astroblepus festae
  Caption: Dorsal view
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  Species: Astroblepus fissidens
  Caption: Dorsal view
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  Species: Astroblepus guentheri
  Caption: Dorsal view
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  Species: Astroblepus heterodon
  Caption: Dorsal view
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  Species: Astroblepus homodon
  Caption: Dorsal view
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  Species: Astroblepus mancoi
  Caption: Dorsal view
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  Species: Astroblepus marmoratus
  Caption: Dorsal view
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  Species: Astroblepus orientalis
  Caption: Dorsal view
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  Species: Astroblepus retropinnus
  Caption: Dorsal view
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  Species: Astroblepus simonsii
  Caption: Dorsal view
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  Species: Astroblepus taczanowskii
  Caption: Dorsal view
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  Species: Astroblepus vaillanti
  Caption: Dorsal view
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  Species: Astroblepus whymperi
  Caption: Dorsal view
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  Species: Ageneiosus apiaka
  Caption: Dorsal view
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  Species: Ageneiosus intrusus
  Caption: Dorsal view
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  Species: Ageneiosus uranophthalmus
  Caption: Dorsal view
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  Species: Ageneiosus vittatus
  Caption: Dorsal view
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  Species: Duringlanis perugiae
  Caption: Dorsal view
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  Species: Liosomadoras oncinus
  Caption: Dorsal view
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  Species: Pseudauchenipterus jequitinhonhae
  Caption: Dorsal view
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  Species: Spinipterus moijiri
  Caption: Dorsal view
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  Species: Tatia concolor
  Caption: Dorsal view
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  Species: Tatia dunni
  Caption: Dorsal view
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  Species: Tatia reticulata
  Caption: Dorsal view
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  Species: Tetranematichthys barthemi
  Caption: Dorsal view
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  Species: Tocantinsia piresi
  Caption: Dorsal view
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  Species: Trachelyichthys decaradiatus
  Caption: Dorsal view
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  Species: Trachelyichthys exilis
  Caption: Dorsal view
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  Species: Trachelyopterus ceratophysus
  Caption: Dorsal view
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  Species: Trachelyopterus ceratophysus
  Caption: Dorsal view
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  Species: Trachelyopterus lucenai
  Caption: Dorsal view
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  Species: Trachelyopterus sp. (2)
  Caption: Dorsal view
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  Species: Trachelyopterus sp. (4)
  Caption: Dorsal view
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  Species: Trachelyopterus sp. `RIO XINGU`
  Caption: Dorsal view
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  Species: Trachelyopterus striatulus
  Caption: Dorsal view
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  Species: Trachycorystes trachycorystes
  Caption: Dorsal view
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  Species: Tympanopleura brevis
  Caption: Dorsal view
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  Species: Tympanopleura longipinna
  Caption: Dorsal view
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  Species: Bagroides melapterus
  Caption: Dorsal view
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  Species: Bagrus docmak
  Caption: Dorsal view
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  Species: Mystus bocourti
  Caption: Dorsal view
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  Species: Mystus pelusius
  Caption: Dorsal view
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  Species: Mystus velifer
  Caption: Dorsal view
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  Species: Nanobagrus fuscus
  Caption: Dorsal view
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  Species: Nanobagrus immaculatus
  Caption: Dorsal view
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  Species: Nanobagrus lemniscatus
  Caption: Dorsal view
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  Species: Pseudomystus heokhuii
  Caption: Dorsal view
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  Species: Pseudomystus stenogrammus
  Caption: Dorsal view
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  Species: Sperata acicularis
  Caption: Dorsal view
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  Species: Tachysurus brevianalis
  Caption: Dorsal view
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  Species: Tachysurus eupogon
  Caption: Dorsal view
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  Species: Tachysurus nubilosus
  Caption: Dorsal view
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  Species: Tachysurus spilotus
  Caption: Dorsal view
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  Species: Tachysurus tokiensis
  Caption: Dorsal view
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  Species: Balitora annamitica
  Caption: Dorsal view
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  Species: Hemimyzon papilio
  Caption: Dorsal view
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  Species: Hemimyzon papilio
  Caption: Dorsal view
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  Species: Homaloptera confuzona
  Caption: Dorsal view
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  Species: Homalopteroides smithi
  Caption: Dorsal view
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  Species: Homalopteroides smithi
  Caption: Dorsal view
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  Species: Homalopteroides tweediei
  Caption: Dorsal view
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  Species: Pseudohomaloptera yunnanensis
  Caption: Dorsal view
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  Species: Pseudohomaloptera yunnanensis
  Caption: Dorsal view
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  Species: Callichthys callichthys
  Caption: Dorsal view
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  Species: Corydoras(ln1) narcissus
  Caption: Dorsal view
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  Species: Corydoras(ln1) orcesi
  Caption: Dorsal view
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  Species: Corydoras(ln1) septentrionalis
  Caption: Dorsal view
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  Species: Corydoras(ln1) serratus
  Caption: Dorsal view
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  Species: Corydoras(ln1) sp. (Cw083)
  Caption: Dorsal view
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  Species: Corydoras(ln1) spilurus
  Caption: Dorsal view
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  Species: Corydoras(ln1) zawadzkii
  Caption: Dorsal view
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  Species: Corydoras(ln4) pygmaeus
  Caption: Dorsal view
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  Species: Corydoras(ln5) sp. (Cw105)
  Caption: Dorsal view
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  Species: Corydoras(ln6) diphyes
  Caption: Dorsal view
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  Species: Corydoras(ln6) lacrimostigmata
  Caption: Dorsal view
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  Species: Corydoras(ln6) lymnades
  Caption: Dorsal view
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  Species: Corydoras(ln7) sp. (Cw009)
  Caption: Dorsal view
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  Species: Corydoras(ln7) sp. (Cw078)
  Caption: Dorsal view
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  Species: Corydoras(ln7) sp. (Cw078)
  Caption: Dorsal view
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  Species: Corydoras(ln8sc1) multiradiatus
  Caption: Dorsal view
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  Species: Corydoras(ln8sc4) ambiacus
  Caption: Dorsal view
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  Species: Corydoras(ln8sc4) sp. (Cw101)
  Caption: Dorsal view
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  Species: Corydoras(ln8sc4) sp. (Cw155)
  Caption: Dorsal view
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  Species: Corydoras(ln9) adolfoi
  Caption: Dorsal view
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  Species: Corydoras(ln9) esperanzae
  Caption: Dorsal view
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  Species: Corydoras(ln9) polystictus
  Caption: Dorsal view
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  Species: Corydoras(ln9) sp. (Cw028)
  Caption: Dorsal view
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  Species: Corydoras(ln9) sp. (Cw049)
  Caption: Dorsal view
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  Species: Corydoras(ln9) sp. (Cw159)
  Caption: Dorsal view
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  Species: Corydoras(ln9) sp. (Cw159)
  Caption: Dorsal view
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  Species: Corydoras(ln9) trilineatus
  Caption: Dorsal view
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  Species: Hoplosternum littorale
  Caption: Dorsal view
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  Species: Scleromystax salmacis
  Caption: Dorsal view
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  Species: Tonlesapia tsukawakii
  Caption: Dorsal view
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  Species: Tonlesapia tsukawakii
  Caption: Dorsal view
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  Species: Tonlesapia tsukawakii
  Caption: Dorsal view
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  Species: Carcharhinus leucas
  Caption: Dorsal view
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  Species: Cetopsis baudoensis
  Caption: Dorsal view
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  Species: Denticetopsis seducta
  Caption: Dorsal view
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  Species: Chaca bankanensis
  Caption: Dorsal view
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  Species: Chaca chaca
  Caption: Dorsal view
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  Species: Chaca chaca
  Caption: Dorsal view
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  Species: Chaca serica
  Caption: Dorsal view
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  Species: Bathyclarias foveolatus
  Caption: Dorsal view
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  Species: Clariallabes laticeps
  Caption: Dorsal view
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  Species: Clariallabes longicauda
  Caption: Dorsal view
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  Species: Clarias dhonti
  Caption: Dorsal view
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  Species: Clarias engelseni
  Caption: Dorsal view
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  Species: Clarias gracilentus
  Caption: Dorsal view
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  Species: Clarias serniosus
  Caption: Dorsal view
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  Species: Clarias teijsmanni
  Caption: Dorsal view
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  Species: Platyallabes tihoni
  Caption: Dorsal view
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  Species: Tanganikallabes alboperca
  Caption: Dorsal view
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  Species: Tanganikallabes mortiauxi
  Caption: Dorsal view
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  Species: Tanganikallabes stewarti
  Caption: Dorsal view
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  Species: Uegitglanis zammaranoi
  Caption: Dorsal view
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  Species: Xenoclarias holobranchus
  Caption: Dorsal view
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  Species: Chrysichthys acsiorum
  Caption: Dorsal view
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  Species: Chrysichthys praecox
  Caption: Dorsal view
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  Species: Notoglanidium maculatum
  Caption: Dorsal view
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  Species: Notoglanidium pallidum
  Caption: Dorsal view
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  Species: Parauchenoglanis balayi
  Caption: Dorsal view
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  Species: Parauchenoglanis monkei
  Caption: Dorsal view
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  Species: Cynoglossus arel
  Caption: Dorsal view
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  Species: Cynoglossus feldmanni
  Caption: Dorsal view
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  Species: Cynoglossus feldmanni
  Caption: Dorsal view
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  Species: Cynoglossus lingua
  Caption: Dorsal view
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  Species: Cynoglossus microlepis
  Caption: Dorsal view
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  Species: Cynoglossus puncticeps
  Caption: Dorsal view
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  Species: Cynoglossus puncticeps
  Caption: Dorsal view
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  Species: Carassius auratus
  Caption: Dorsal view
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  Species: Fluvitrygon oxyrhynchus
  Caption: Dorsal view
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  Species: Fluvitrygon signifer
  Caption: Dorsal view
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  Species: Fluvitrygon signifer
  Caption: Dorsal view
• 
  Species: Pastinachus stellurostris
  Caption: Dorsal view
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  Species: Pastinachus stellurostris
  Caption: Dorsal view
• 
  Species: Urogymnus polylepis
  Caption: Dorsal view
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  Species: Hemidoras stenopeltis
  Caption: Dorsal view
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  Species: Hemidoras stenopeltis
  Caption: Dorsal view
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  Species: Hemidoras stuebelii
  Caption: Dorsal view
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  Species: Leptodoras nelsoni
  Caption: Dorsal view
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  Species: Leptodoras rogersae
  Caption: Dorsal view
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  Species: Platydoras armatulus
  Caption: Dorsal view
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  Species: Platydoras brachylecis
  Caption: Dorsal view
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  Species: Rhinodoras gallagheri
  Caption: Dorsal view
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  Species: Rhinodoras sp. `TOCANTINS XINGU`
  Caption: Dorsal view
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  Species: Rhynchodoras xingui
  Caption: Dorsal view
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  Species: Sewellia elongata
  Caption: Dorsal view
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  Species: Vanmanenia serrilineata
  Caption: Dorsal view
• 
  Species: Gobiopsis macrostomus
  Caption: Dorsal view
• 
  Species: Brachyrhamdia imitator
  Caption: Dorsal view
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  Species: Cetopsorhamdia insidiosa
  Caption: Dorsal view
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  Species: Cetopsorhamdia molinae
  Caption: Dorsal view
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  Species: Chasmocranus longior
  Caption: Dorsal view
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  Species: Imparfinis cf. stictonotus
  Caption: Dorsal view
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  Species: Imparfinis stictonotus
  Caption: Dorsal view
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  Species: Nannoglanis fasciatus
  Caption: Dorsal view
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  Species: Pariolius armillatus
  Caption: Dorsal view
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  Species: Phenacorhamdia boliviana
  Caption: Dorsal view
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  Species: Pimelodella vittata
  Caption: Dorsal view
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  Species: Rhamdia laticauda
  Caption: Dorsal view
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  Species: Heteropneustes fossilis
  Caption: Dorsal view
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  Species: Pseudeutropius mitchelli
  Caption: Dorsal view
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  Species: Ictalurus pricei
  Caption: Dorsal view
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  Species: Ictalurus punctatus
  Caption: Dorsal view
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  Species: Noturus crypticus
  Caption: Dorsal view
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  Species: Noturus elegans
  Caption: Dorsal view
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  Species: Noturus gyrinus
  Caption: Dorsal view
• 
  Species: Lacantunia enigmatica
  Caption: Dorsal view
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  Species: Acestridium dichromum
  Caption: Dorsal view
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  Species: Acestridium gymnogaster
  Caption: Dorsal view
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  Species: Acestridium martini
  Caption: Dorsal view
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  Species: Acestridium scutatum
  Caption: Dorsal view
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  Species: Acestridium sp. `MANICORE`
  Caption: Dorsal view
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  Species: Acestridium triplax
  Caption: Dorsal view
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  Species: Ancistomus sp. (L424)
  Caption: Dorsal view
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  Species: Ancistomus spilomma
  Caption: Dorsal view
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  Species: Ancistomus spilomma
  Caption: Dorsal view
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  Species: Ancistrini sp. (L172)
  Caption: Dorsal view
• 
  Species: Ancistrus brevipinnis
  Caption: Dorsal view
• 
  Species: Ancistrus caucanus
  Caption: Dorsal view
• 
  Species: Ancistrus centrolepis
  Caption: Dorsal view
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Dorsal view
• 
  Species: Ancistrus clementinae
  Caption: Dorsal view
• 
  Species: Ancistrus cryptophthalmus
  Caption: Dorsal view
• 
  Species: Ancistrus dolichopterus
  Caption: Dorsal view
• 
  Species: Ancistrus gymnorhynchus
  Caption: Dorsal view
• 
  Species: Ancistrus heterorhynchus
  Caption: Dorsal view
• 
  Species: Ancistrus karajas
  Caption: Dorsal view
• 
  Species: Ancistrus krenakarore
  Caption: Dorsal view
• 
  Species: Ancistrus leucostictus
  Caption: Dorsal view
• 
  Species: Ancistrus lithurgicus
  Caption: Dorsal view
• 
  Species: Ancistrus malacops
  Caption: Dorsal view
• 
  Species: Ancistrus marcapatae
  Caption: Dorsal view
• 
  Species: Ancistrus miracollis
  Caption: Dorsal view
• 
  Species: Ancistrus montanus
  Caption: Dorsal view
• 
  Species: Ancistrus occidentalis
  Caption: Dorsal view
• 
  Species: Ancistrus piriformis
  Caption: Dorsal view
• 
  Species: Ancistrus ranunculus
  Caption: Dorsal view
• 
  Species: Ancistrus ranunculus
  Caption: Dorsal view
• 
  Species: Ancistrus shuar
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L107)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L107)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L107)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L111)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L159)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L180)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L213)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L255)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L325)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L338)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L359)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L393)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (L513)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. (LDA016)
  Caption: Dorsal view
• 
  Species: Ancistrus sp. `PUERTO AYACUCHO`
  Caption: Dorsal view
• 
  Species: Ancistrus sp. `RIO MAMORE`
  Caption: Dorsal view
• 
  Species: Ancistrus sp. `RIO TOCANTINS`
  Caption: Dorsal view
• 
  Species: Ancistrus sp. `RIO UCAYALI`
  Caption: Dorsal view
• 
  Species: Ancistrus sp. `SAO FELIX`
  Caption: Dorsal view
• 
  Species: Ancistrus tolima
  Caption: Dorsal view
• 
  Species: Ancistrus trinitatis
  Caption: Dorsal view
• 
  Species: Andeancistrus eschwartzae
  Caption: Dorsal view
• 
  Species: Andeancistrus platycephalus
  Caption: Dorsal view
• 
  Species: Andeancistrus platycephalus
  Caption: Dorsal view
• 
  Species: Aphanotorulus ammophilus
  Caption: Dorsal view
• 
  Species: Avalithoxus jantjae
  Caption: Dorsal view
• 
  Species: Baryancistrus beggini
  Caption: Dorsal view
• 
  Species: Baryancistrus sp. (L142)
  Caption: Dorsal view
• 
  Species: Baryancistrus xanthellus
  Caption: Dorsal view
• 
  Species: Chaetostoma anale
  Caption: Dorsal view
• 
  Species: Chaetostoma breve
  Caption: Dorsal view
• 
  Species: Chaetostoma carrioni
  Caption: Dorsal view
• 
  Species: Chaetostoma chimu
  Caption: Dorsal view
• 
  Species: Chaetostoma formosae
  Caption: Dorsal view
• 
  Species: Chaetostoma joropo
  Caption: Dorsal view
• 
  Species: Chaetostoma lineopunctatum
  Caption: Dorsal view
• 
  Species: Chaetostoma loborhynchos
  Caption: Dorsal view
• 
  Species: Chaetostoma microps
  Caption: Dorsal view
• 
  Species: Chaetostoma microps
  Caption: Dorsal view
• 
  Species: Chaetostoma milesi
  Caption: Dorsal view
• 
  Species: Chaetostoma platyrhynchus
  Caption: Dorsal view
• 
  Species: Chaetostoma platyrhynchus
  Caption: Dorsal view
• 
  Species: Chaetostoma sp. (5)
  Caption: Dorsal view
• 
  Species: Chaetostoma sp. (6)
  Caption: Dorsal view
• 
  Species: Chaetostoma sp. (6)
  Caption: Dorsal view
• 
  Species: Chaetostoma sp. (6)
  Caption: Dorsal view
• 
  Species: Chaetostoma sp. (L445)
  Caption: Dorsal view
• 
  Species: Chaetostoma sp. (L455)
  Caption: Dorsal view
• 
  Species: Chaetostoma trimaculineum
  Caption: Dorsal view
• 
  Species: Chaetostoma trimaculineum
  Caption: Dorsal view
• 
  Species: Cordylancistrus torbesensis
  Caption: Dorsal view
• 
  Species: Corumbataia tocantinensis
  Caption: Dorsal view
• 
  Species: Corymbophanes ameliae
  Caption: Dorsal view
• 
  Species: Crossoloricaria sp. `PERU`
  Caption: Dorsal view
• 
  Species: Crossoloricaria sp. `PERU`
  Caption: Dorsal view
• 
  Species: Crossoloricaria sp. `RIO PALOMETILLA`
  Caption: Dorsal view
• 
  Species: Cteniloricaria platystoma
  Caption: Dorsal view
• 
  Species: Curculionichthys itaim
  Caption: Dorsal view
• 
  Species: Curculionichthys jumaorum
  Caption: Dorsal view
• 
  Species: Curculionichthys jumaorum
  Caption: Dorsal view
• 
  Species: Curculionichthys tukana
  Caption: Dorsal view
• 
  Species: Dasyloricaria filamentosa
  Caption: Dorsal view
• 
  Species: Dasyloricaria filamentosa
  Caption: Dorsal view
• 
  Species: Dekeyseria amazonica
  Caption: Dorsal view
• 
  Species: Dekeyseria amazonica
  Caption: Dorsal view
• 
  Species: Dekeyseria picta
  Caption: Dorsal view
• 
  Species: Delturus sp. (1)
  Caption: Dorsal view
• 
  Species: Dolichancistrus cobrensis
  Caption: Dorsal view
• 
  Species: Epactionotus gracilis
  Caption: Dorsal view
• 
  Species: Epactionotus itaimbezinho
  Caption: Dorsal view
• 
  Species: Exastilithoxus fimbriatus
  Caption: Dorsal view
• 
  Species: Farlowella acus
  Caption: Dorsal view
• 
  Species: Farlowella azpelicuetae
  Caption: Dorsal view
• 
  Species: Farlowella hahni
  Caption: Dorsal view
• 
  Species: Farlowella jauruensis
  Caption: Dorsal view
• 
  Species: Farlowella martini
  Caption: Dorsal view
• 
  Species: Farlowella mitoupibo
  Caption: Dorsal view
• 
  Species: Farlowella nattereri
  Caption: Dorsal view
• 
  Species: Farlowella oxyrryncha
  Caption: Dorsal view
• 
  Species: Fonchiiloricaria nanodon
  Caption: Dorsal view
• 
  Species: Guyanancistrus brevispinis
  Caption: Dorsal view
• 
  Species: Harttia guianensis
  Caption: Dorsal view
• 
  Species: Harttia loricariformis
  Caption: Dorsal view
• 
  Species: Harttia punctata
  Caption: Dorsal view
• 
  Species: Harttia punctata
  Caption: Dorsal view
• 
  Species: Harttia surinamensis
  Caption: Dorsal view
• 
  Species: Hemiancistrus cerrado
  Caption: Dorsal view
• 
  Species: Hemiancistrus landoni
  Caption: Dorsal view
• 
  Species: Hemiancistrus sp. (L476)
  Caption: Dorsal view
• 
  Species: Hemiodontichthys acipenserinus
  Caption: Dorsal view
• 
  Species: Hemiodontichthys acipenserinus
  Caption: Dorsal view
• 
  Species: Hirtella carinata
  Caption: Dorsal view
• 
  Species: Hisonotus chromodontus
  Caption: Dorsal view
• 
  Species: Hisonotus francirochai
  Caption: Dorsal view
• 
  Species: Hisonotus pantherinus
  Caption: Dorsal view
• 
  Species: Hisonotus pantherinus
  Caption: Dorsal view
• 
  Species: Hisonotus vespuccii
  Caption: Dorsal view
• 
  Species: Hypancistrus contradens
  Caption: Dorsal view
• 
  Species: Hypancistrus debilittera
  Caption: Dorsal view
• 
  Species: Hypancistrus furunculus
  Caption: Dorsal view
• 
  Species: Hypancistrus furunculus
  Caption: Dorsal view
• 
  Species: Hypancistrus sp. (3)
  Caption: Dorsal view
• 
  Species: Hypancistrus sp. (L066)
  Caption: Dorsal view
• 
  Species: Hypancistrus sp. (L236)
  Caption: Dorsal view
• 
  Species: Hypancistrus sp. (L260)
  Caption: Dorsal view
• 
  Species: Hypancistrus sp. (L340)
  Caption: Dorsal view
• 
  Species: Hypancistrus sp. (L340)
  Caption: Dorsal view
• 
  Species: Hypancistrus sp. (L340)
  Caption: Dorsal view
• 
  Species: Hypancistrus sp. (L450)
  Caption: Dorsal view
• 
  Species: Hypancistrus sp. (L454)
  Caption: Dorsal view
• 
  Species: Hypancistrus vandragti
  Caption: Dorsal view
• 
  Species: Hypoptopoma cf. guianense
  Caption: Dorsal view
• 
  Species: Hypoptopoma guianense
  Caption: Dorsal view
• 
  Species: Hypoptopoma gulare
  Caption: Dorsal view
• 
  Species: Hypoptopoma inexspectatum
  Caption: Dorsal view
• 
  Species: Hypoptopoma inexspectatum
  Caption: Dorsal view
• 
  Species: Hypoptopoma sp. (5)
  Caption: Dorsal view
• 
  Species: Hypoptopoma steindachneri
  Caption: Dorsal view
• 
  Species: Hypostomus annectens
  Caption: Dorsal view
• 
  Species: Hypostomus cf. paulinus
  Caption: Dorsal view
• 
  Species: Hypostomus faveolus
  Caption: Dorsal view
• 
  Species: Hypostomus hemiurus
  Caption: Dorsal view
• 
  Species: Hypostomus jaguar
  Caption: Dorsal view
• 
  Species: Hypostomus khimaera
  Caption: Dorsal view
• 
  Species: Hypostomus kuarup
  Caption: Dorsal view
• 
  Species: Hypostomus latifrons
  Caption: Dorsal view
• 
  Species: Hypostomus macushi
  Caption: Dorsal view
• 
  Species: Hypostomus melanephelis
  Caption: Dorsal view
• 
  Species: Hypostomus pagei
  Caption: Dorsal view
• 
  Species: Hypostomus regani
  Caption: Dorsal view
• 
  Species: Hypostomus sp. (L231)
  Caption: Dorsal view
• 
  Species: Hypostomus sp. (L360)
  Caption: Dorsal view
• 
  Species: Hypostomus sp. (L517)
  Caption: Dorsal view
• 
  Species: Hypostomus weberi
  Caption: Dorsal view
• 
  Species: Isbrueckerichthys duseni
  Caption: Dorsal view
• 
  Species: Isbrueckerichthys duseni
  Caption: Dorsal view
• 
  Species: Lamontichthys stibaros
  Caption: Dorsal view
• 
  Species: Lasiancistrus cf. caucanus
  Caption: Dorsal view
• 
  Species: Lasiancistrus saetiger
  Caption: Dorsal view
• 
  Species: Leporacanthicus cf. galaxias`venezuela`
  Caption: Dorsal view
• 
  Species: Leporacanthicus heterodon
  Caption: Dorsal view
• 
  Species: Leporacanthicus sp. (L314)
  Caption: Dorsal view
• 
  Species: Leporacanthicus sp. (L473)
  Caption: Dorsal view
• 
  Species: Leporacanthicus sp. (L473)
  Caption: Dorsal view
• 
  Species: Leptotocinclus ctenistus
  Caption: Dorsal view
• 
  Species: Leptotocinclus madeirae
  Caption: Dorsal view
• 
  Species: Limatulichthys griseus
  Caption: Dorsal view
• 
  Species: Limatulichthys nasarcus
  Caption: Dorsal view
• 
  Species: Lithogenes wahari
  Caption: Dorsal view
• 
  Species: Lithoxancistrus orinoco
  Caption: Dorsal view
• 
  Species: Lithoxancistrus yekuana
  Caption: Dorsal view
• 
  Species: Loricaria birindellii
  Caption: Dorsal view
• 
  Species: Loricaria luciae
  Caption: Dorsal view
• 
  Species: Loricaria luciae
  Caption: Dorsal view
• 
  Species: Loricaria luciae
  Caption: Dorsal view
• 
  Species: Loricaria pumila
  Caption: Dorsal view
• 
  Species: Loricaria spinulifera
  Caption: Dorsal view
• 
  Species: Loricariichthys anus
  Caption: Dorsal view
• 
  Species: Loricariichthys platymetopon
  Caption: Dorsal view
• 
  Species: Megalancistrus barrae
  Caption: Dorsal view
• 
  Species: Megalancistrus sp. (L234)
  Caption: Dorsal view
• 
  Species: Megalancistrus sp. (LDA097)
  Caption: Dorsal view
• 
  Species: Metaloricaria paucidens
  Caption: Dorsal view
• 
  Species: Nannoptopoma sp. `PERU(1)`
  Caption: Dorsal view
• 
  Species: Nannoptopoma sp. `PERU(2)`
  Caption: Dorsal view
• 
  Species: Nannoptopoma sp. `PERU(2)`
  Caption: Dorsal view
• 
  Species: Nannoptopoma sternoptychum
  Caption: Dorsal view
• 
  Species: Nannoxyropsis acicula
  Caption: Dorsal view
• 
  Species: Nannoxyropsis ephippia
  Caption: Dorsal view
• 
  Species: Neblinichthys brevibracchium
  Caption: Dorsal view
• 
  Species: Neblinichthys echinasus
  Caption: Dorsal view
• 
  Species: Neblinichthys echinasus
  Caption: Dorsal view
• 
  Species: Neblinichthys yaravi
  Caption: Dorsal view
• 
  Species: Otocinclus batmani
  Caption: Dorsal view
• 
  Species: Otocinclus cocama
  Caption: Dorsal view
• 
  Species: Otocinclus flexilis
  Caption: Dorsal view
• 
  Species: Otocinclus mariae
  Caption: Dorsal view
• 
  Species: Otocinclus mura
  Caption: Dorsal view
• 
  Species: Otocinclus vittatus
  Caption: Dorsal view
• 
  Species: Oxyropsis wrightiana
  Caption: Dorsal view
• 
  Species: Panaqolus albivermis
  Caption: Dorsal view
• 
  Species: Panaqolus albomaculatus
  Caption: Dorsal view
• 
  Species: Panaqolus changae
  Caption: Dorsal view
• 
  Species: Panaqolus changae
  Caption: Dorsal view
• 
  Species: Panaqolus gnomus
  Caption: Dorsal view
• 
  Species: Panaqolus maccus
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (1)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (1)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (L002)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (L169)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (L206)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (L397)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (L403)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (L425)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (L448)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (L453)
  Caption: Dorsal view
• 
  Species: Panaqolus sp. (L465)
  Caption: Dorsal view
• 
  Species: Panaque bathyphilus
  Caption: Dorsal view
• 
  Species: Panaque cf. armbrusteri`xingu`
  Caption: Dorsal view
• 
  Species: Panaque cf. cochliodon`upper magdalena`
  Caption: Dorsal view
• 
  Species: Panaque nigrolineatus laurafabianae
  Caption: Dorsal view
• 
  Species: Panaque sp. (L191)
  Caption: Dorsal view
• 
  Species: Paralithoxus bovallii
  Caption: Dorsal view
• 
  Species: Paralithoxus cf. raso
  Caption: Dorsal view
• 
  Species: Paralithoxus planquettei
  Caption: Dorsal view
• 
  Species: Parancistrus aurantiacus
  Caption: Dorsal view
• 
  Species: Pareiorhaphis cameroni
  Caption: Dorsal view
• 
  Species: Pareiorhaphis hystrix
  Caption: Dorsal view
• 
  Species: Pareiorhaphis scutula
  Caption: Dorsal view
• 
  Species: Pareiorhaphis steindachneri
  Caption: Dorsal view
• 
  Species: Pareiorhaphis stephana
  Caption: Dorsal view
• 
  Species: Pareiorhaphis vestigipinnis
  Caption: Dorsal view
• 
  Species: Parotocinclus adamanteus
  Caption: Dorsal view
• 
  Species: Parotocinclus bahiensis
  Caption: Dorsal view
• 
  Species: Parotocinclus britskii
  Caption: Dorsal view
• 
  Species: Parotocinclus cf. eppleyi
  Caption: Dorsal view
• 
  Species: Parotocinclus doceanus
  Caption: Dorsal view
• 
  Species: Parotocinclus jacumirim
  Caption: Dorsal view
• 
  Species: Parotocinclus spilosoma
  Caption: Dorsal view
• 
  Species: Parotocinclus sp. `PERNAMBUCO`
  Caption: Dorsal view
• 
  Species: Parotocinclus variola
  Caption: Dorsal view
• 
  Species: Paulasquama callis
  Caption: Dorsal view
• 
  Species: Peckoltia compta
  Caption: Dorsal view
• 
  Species: Peckoltia compta
  Caption: Dorsal view
• 
  Species: Peckoltia ephippiata
  Caption: Dorsal view
• 
  Species: Peckoltia furcata
  Caption: Dorsal view
• 
  Species: Peckoltia greedoi
  Caption: Dorsal view
• 
  Species: Peckoltia lujani
  Caption: Dorsal view
• 
  Species: Peckoltia pankimpuju
  Caption: Dorsal view
• 
  Species: Peckoltia relictum
  Caption: Dorsal view
• 
  Species: Peckoltia sabaji
  Caption: Dorsal view
• 
  Species: Peckoltia sp. (L055)
  Caption: Dorsal view
• 
  Species: Peckoltia sp. (L076)
  Caption: Dorsal view
• 
  Species: Peckoltia sp. (L205)
  Caption: Dorsal view
• 
  Species: Peckoltia sp. (L211)
  Caption: Dorsal view
• 
  Species: Peckoltia sp. `RIO NEGRO II`
  Caption: Dorsal view
• 
  Species: Peckoltia vermiculata
  Caption: Dorsal view
• 
  Species: Peckoltia vittata
  Caption: Dorsal view
• 
  Species: Peckoltia vittata
  Caption: Dorsal view
• 
  Species: Pseudacanthicus pirarara
  Caption: Dorsal view
• 
  Species: Pseudacanthicus pitanga
  Caption: Dorsal view
• 
  Species: Pseudacanthicus serratus
  Caption: Dorsal view
• 
  Species: Pseudacanthicus sp. (L063)
  Caption: Dorsal view
• 
  Species: Pseudacanthicus sp. (L185)
  Caption: Dorsal view
• 
  Species: Pseudacanthicus sp. (L275)
  Caption: Dorsal view
• 
  Species: Pseudacanthicus sp. (L343)
  Caption: Dorsal view
• 
  Species: Pseudacanthicus sp. (L452)
  Caption: Dorsal view
• 
  Species: Pseudacanthicus sp. (L452)
  Caption: Dorsal view
• 
  Species: Pseudancistrus asurini
  Caption: Dorsal view
• 
  Species: Pseudancistrus guentheri
  Caption: Dorsal view
• 
  Species: Pseudancistrus kayabi
  Caption: Dorsal view
• 
  Species: Pseudancistrus kwinti
  Caption: Dorsal view
• 
  Species: Pseudancistrus sidereus
  Caption: Dorsal view
• 
  Species: Pseudancistrus sp. (2)
  Caption: Dorsal view
• 
  Species: Pseudohemiodon aff. apithanos
  Caption: Dorsal view
• 
  Species: Pseudohemiodon sp. `AMAZONAS VENEZUELA`
  Caption: Dorsal view
• 
  Species: Pseudohemiodon sp. `PARAGUAY`
  Caption: Dorsal view
• 
  Species: Pseudolithoxus dumus
  Caption: Dorsal view
• 
  Species: Pseudolithoxus kelsorum
  Caption: Dorsal view
• 
  Species: Pseudolithoxus tigris
  Caption: Dorsal view
• 
  Species: Pseudoloricaria laeviuscula
  Caption: Dorsal view
• 
  Species: Pterygoplichthys pardalis
  Caption: Dorsal view
• 
  Species: Pterygoplichthys parnaibae
  Caption: Dorsal view
• 
  Species: Rhinolekos britskii
  Caption: Dorsal view
• 
  Species: Rhinolekos capetinga
  Caption: Dorsal view
• 
  Species: Rhinolekos garavelloi
  Caption: Dorsal view
• 
  Species: Rhinolekos schaeferi
  Caption: Dorsal view
• 
  Species: Rineloricaria aequalicuspis
  Caption: Dorsal view
• 
  Species: Rineloricaria anhaguapitan
  Caption: Dorsal View
• 
  Species: Rineloricaria anitae
  Caption: Dorsal view
• 
  Species: Rineloricaria baliola
  Caption: Dorsal view
• 
  Species: Rineloricaria beni
  Caption: Dorsal view
• 
  Species: Rineloricaria cadeae
  Caption: Dorsal view
• 
  Species: Rineloricaria capitonia
  Caption: Dorsal View
• 
  Species: Rineloricaria eigenmanni
  Caption: Dorsal view
• 
  Species: Rineloricaria heteroptera
  Caption: Dorsal view
• 
  Species: Rineloricaria jubata
  Caption: Dorsal view
• 
  Species: Rineloricaria jurupari
  Caption: Dorsal view
• 
  Species: Rineloricaria lanceolata
  Caption: Dorsal view
• 
  Species: Rineloricaria longicauda
  Caption: Dorsal view
• 
  Species: Rineloricaria magdalenae
  Caption: Dorsal view
• 
  Species: Rineloricaria malabarbai
  Caption: Dorsal view
• 
  Species: Rineloricaria melini
  Caption: Dorsal view
• 
  Species: Rineloricaria misionera
  Caption: Dorsal view
• 
  Species: Rineloricaria phoxocephala
  Caption: Dorsal view
• 
  Species: Rineloricaria platyura
  Caption: Dorsal view
• 
  Species: Rineloricaria reisi
  Caption: Dorsal View
• 
  Species: Rineloricaria rupestris
  Caption: Dorsal view
• 
  Species: Rineloricaria sanga
  Caption: Dorsal view
• 
  Species: Rineloricaria setepovos
  Caption: Dorsal view
• 
  Species: Rineloricaria sp. (5)
  Caption: Dorsal view
• 
  Species: Rineloricaria sp. `JACAREACANGA`
  Caption: Dorsal view
• 
  Species: Rineloricaria sp. `RIO YARAPA`
  Caption: Dorsal view
• 
  Species: Rineloricaria stellata
  Caption: Dorsal view
• 
  Species: Rineloricaria stewarti
  Caption: Dorsal view
• 
  Species: Rineloricaria strigilata
  Caption: Dorsal view
• 
  Species: Rineloricaria teffeana
  Caption: Dorsal view
• 
  Species: Rineloricaria thrissoceps
  Caption: Dorsal view
• 
  Species: Rineloricaria tropeira
  Caption: Dorsal View
• 
  Species: Rineloricaria wolfei
  Caption: Dorsal view
• 
  Species: Rineloricaria zaina
  Caption: Dorsal view
• 
  Species: Schizolecis guentheri
  Caption: Dorsal view
• 
  Species: Scobinancistrus sp. (L082)
  Caption: Dorsal view
• 
  Species: Soromonichthys stearleyi
  Caption: Dorsal view
• 
  Species: Spatuloricaria caquetae
  Caption: Dorsal view
• 
  Species: Spatuloricaria sp. `RIO NANAY`
  Caption: Dorsal view
• 
  Species: Spatuloricaria tuira
  Caption: Dorsal view
• 
  Species: Spectracanthicus immaculatus
  Caption: Dorsal view
• 
  Species: Spectracanthicus murinus
  Caption: Dorsal view
• 
  Species: Spectracanthicus sp. (L254)
  Caption: Dorsal View
• 
  Species: Sturisomatichthys caquetae
  Caption: Dorsal view
• 
  Species: Sturisomatichthys citurensis
  Caption: Dorsal view
• 
  Species: Sturisomatichthys kneri
  Caption: Dorsal view
• 
  Species: Sturisomatichthys reinae
  Caption: Dorsal view
• 
  Species: Sturisomatichthys tamanae
  Caption: Dorsal view
• 
  Species: Transancistrus aequinoctialis
  Caption: Dorsal view
• 
  Species: Transancistrus santarosensis
  Caption: Dorsal view
• 
  Species: Yaluwak primus
  Caption: Dorsal view
• 
  Species: Malapterurus microstoma
  Caption: Dorsal view
• 
  Species: Atopochilus sp. (1)
  Caption: Dorsal View
• 
  Species: Atopodontus adriaensi
  Caption: Dorsal view
• 
  Species: Atopodontus adriaensi
  Caption: Dorsal view
• 
  Species: Chiloglanis anoterus
  Caption: Dorsal view
• 
  Species: Chiloglanis camarabounyi
  Caption: Dorsal view
• 
  Species: Chiloglanis dialloi
  Caption: Dorsal view
• 
  Species: Chiloglanis kabaensis
  Caption: Dorsal view
• 
  Species: Chiloglanis kolente
  Caption: Dorsal view
• 
  Species: Chiloglanis longibarbis
  Caption: Dorsal view
• 
  Species: Chiloglanis nzerekore
  Caption: Dorsal view
• 
  Species: Chiloglanis pezoldi
  Caption: Dorsal view
• 
  Species: Chiloglanis polypogon
  Caption: Dorsal view
• 
  Species: Chiloglanis pretoriae
  Caption: Dorsal view
• 
  Species: Chiloglanis sp. (1)
  Caption: Dorsal view
• 
  Species: Chiloglanis tweddlei
  Caption: Dorsal view
• 
  Species: Chiloglanis waterloti
  Caption: Dorsal view
• 
  Species: Euchilichthys guentheri
  Caption: Dorsal view
• 
  Species: Synodontis acanthoperca
  Caption: Dorsal view
• 
  Species: Synodontis afrofischeri
  Caption: Dorsal view
• 
  Species: Synodontis angelicus
  Caption: Dorsal view
• 
  Species: Synodontis angelicus
  Caption: Dorsal view
• 
  Species: Synodontis annectens
  Caption: Dorsal view
• 
  Species: Synodontis batesii
  Caption: Dorsal view
• 
  Species: Synodontis dhonti
  Caption: Dorsal view
• 
  Species: Synodontis frontosus
  Caption: Dorsal view
• 
  Species: Synodontis fuelleborni
  Caption: Dorsal view
• 
  Species: Synodontis laessoei
  Caption: Dorsal view
• 
  Species: Synodontis matthesi
  Caption: Dorsal view
• 
  Species: Synodontis melanopterus
  Caption: Dorsal view
• 
  Species: Synodontis nebulosus
  Caption: Dorsal view
• 
  Species: Synodontis nigromaculatus
  Caption: Dorsal view
• 
  Species: Synodontis ornatissimus
  Caption: Dorsal view
• 
  Species: Synodontis punctulatus
  Caption: Dorsal view
• 
  Species: Synodontis resupinatus
  Caption: Dorsal view
• 
  Species: Synodontis rukwaensis
  Caption: Dorsal view
• 
  Species: Synodontis steindachneri
  Caption: Dorsal view
• 
  Species: Synodontis tessmanni
  Caption: Dorsal view
• 
  Species: Synodontis tessmanni
  Caption: Dorsal view
• 
  Species: Synodontis waterloti
  Caption: Dorsal view
• 
  Species: Synodontis woosnami
  Caption: Dorsal view
• 
  Species: Synodontis zanzibaricus
  Caption: Dorsal view
• 
  Species: Phreatobius dracunculus
  Caption: Dorsal view
• 
  Species: Aguarunichthys cf. tocantinsensis
  Caption: Dorsal view
• 
  Species: Brachyplatystoma tigrinum
  Caption: Dorsal view
• 
  Species: Iheringichthys labrosus
  Caption: Dorsal view
• 
  Species: Parapimelodus nigribarbis
  Caption: Dorsal view
• 
  Species: Parapimelodus sp. `MANAUS`
  Caption: Dorsal view
• 
  Species: Phractocephalus hemioliopterus
  Caption: Dorsal view
• 
  Species: Pimelodus fur
  Caption: Dorsal view
• 
  Species: Pimelodus maculatus
  Caption: Dorsal view
• 
  Species: Pseudoplatystoma fasciatum
  Caption: Dorsal view
• 
  Species: Sorubim maniradii
  Caption: Dorsal view
• 
  Species: Steindachneridion doceanum
  Caption: Dorsal view
• 
  Species: Steindachneridion melanodermatum
  Caption: Dorsal view
• 
  Species: Steindachneridion parahybae
  Caption: Dorsal view
• 
  Species: Steindachneridion punctatum
  Caption: Dorsal view
• 
  Species: Steindachneridion scriptum
  Caption: Dorsal view
• 
  Species: Zungaro jahu
  Caption: Dorsal view
• 
  Species: Oloplotosus mariae
  Caption: Dorsal view
• 
  Species: Plotosus abbreviatus
  Caption: Dorsal view
• 
  Species: Plotosus papuensis
  Caption: Dorsal view
• 
  Species: Porochilus obbesi
  Caption: Dorsal view
• 
  Species: Potamotrygon tigrina
  Caption: Dorsal view
• 
  Species: Batrochoglanis acanthochiroides
  Caption: Dorsal view
• 
  Species: Batrochoglanis transmontanus
  Caption: Dorsal view
• 
  Species: Batrochoglanis villosus
  Caption: Dorsal view
• 
  Species: Cephalosilurus fowleri
  Caption: Dorsal view
• 
  Species: Cruciglanis pacifici
  Caption: Dorsal view
• 
  Species: Microglanis berbixae
  Caption: Dorsal view
• 
  Species: Microglanis berbixae
  Caption: Dorsal view
• 
  Species: Microglanis nigrolineatus
  Caption: Dorsal view
• 
  Species: Microglanis variegatus
  Caption: Dorsal view
• 
  Species: Pseudopimelodus mangurus
  Caption: Dorsal view
• 
  Species: Psilorhynchus nudithoracicus
  Caption: Dorsal View
• 
  Species: Parailia somalensis
  Caption: Dorsal view
• 
  Species: Schilbe uranoscopus
  Caption: Dorsal view
• 
  Species: Kryptopterus mononema
  Caption: Dorsal view
• 
  Species: Kryptopterus palembangensis
  Caption: Dorsal view
• 
  Species: Ompok hypophthalmus
  Caption: Dorsal view
• 
  Species: Ompok supernus
  Caption: Dorsal view
• 
  Species: Pterocryptis gangelica
  Caption: Dorsal view
• 
  Species: Pterocryptis wynaadensis
  Caption: Dorsal view
• 
  Species: Silurichthys ligneolus
  Caption: Dorsal view
• 
  Species: Silurichthys phaiosoma
  Caption: Dorsal view
• 
  Species: Silurus biwaensis
  Caption: Dorsal view
• 
  Species: Silurus duanensis
  Caption: Dorsal view
• 
  Species: Silurus grahami
  Caption: Dorsal view
• 
  Species: Silurus mento
  Caption: Dorsal view
• 
  Species: Silurus triostegus
  Caption: Dorsal view
• 
  Species: Bagarius bagarius
  Caption: Dorsal view
• 
  Species: Bagarius lica
  Caption: Dorsal view
• 
  Species: Bagarius suchus
  Caption: Dorsal view
• 
  Species: Caelatoglanis zonatus
  Caption: Dorsal view
• 
  Species: Creteuchiloglanis bumdelingensis
  Caption: Dorsal view
• 
  Species: Creteuchiloglanis gongshanensis
  Caption: Dorsal view
• 
  Species: Creteuchiloglanis macropterus
  Caption: Dorsal view
• 
  Species: Erethistes horai
  Caption: Dorsal view
• 
  Species: Erethistoides longispinis
  Caption: Dorsal view
• 
  Species: Erethistoides luteola
  Caption: Dorsal view
• 
  Species: Erethistoides sicula
  Caption: Dorsal view
• 
  Species: Erethistoides vescula
  Caption: Dorsal view
• 
  Species: Exostoma berdmorei
  Caption: Dorsal view
• 
  Species: Exostoma gaoligongense
  Caption: Dorsal view
• 
  Species: Exostoma mangdechhuense
  Caption: Dorsal view
• 
  Species: Exostoma tenuicaudatum
  Caption: Dorsal view
• 
  Species: Glaridoglanis andersonii
  Caption: Dorsal view
• 
  Species: Glyptosternon oschanini
  Caption: Dorsal view
• 
  Species: Glyptothorax anamalaiensis
  Caption: Dorsal view
• 
  Species: Glyptothorax chavomensis
  Caption: Dorsal view
• 
  Species: Glyptothorax cous
  Caption: Dorsal view
• 
  Species: Glyptothorax exodon
  Caption: Dorsal view
• 
  Species: Glyptothorax filicatus
  Caption: Dorsal view
• 
  Species: Glyptothorax fokiensis
  Caption: Dorsal view
• 
  Species: Glyptothorax fokiensis
  Caption: Dorsal view
• 
  Species: Glyptothorax kashmirensis
  Caption: Dorsal view
• 
  Species: Glyptothorax ketambe
  Caption: Dorsal view
• 
  Species: Glyptothorax lampris
  Caption: Dorsal view
• 
  Species: Glyptothorax laosensis
  Caption: Dorsal view
• 
  Species: Glyptothorax laosensis
  Caption: Dorsal view
• 
  Species: Glyptothorax maceriatus
  Caption: Dorsal view
• 
  Species: Glyptothorax malabarensis
  Caption: Dorsal view
• 
  Species: Glyptothorax malabarensis
  Caption: Dorsal view
• 
  Species: Glyptothorax nieuwenhuisi
  Caption: Dorsal view
• 
  Species: Glyptothorax plectilis
  Caption: Dorsal view
• 
  Species: Glyptothorax scrobiculus
  Caption: Dorsal view
• 
  Species: Glyptothorax scrobiculus
  Caption: Dorsal view
• 
  Species: Glyptothorax strabonis
  Caption: Dorsal view
• 
  Species: Glyptothorax striatus
  Caption: Dorsal view
• 
  Species: Gogangra viridescens
  Caption: Dorsal view
• 
  Species: Gogangra viridescens
  Caption: Dorsal view
• 
  Species: Myersglanis blythii
  Caption: Dorsal view
• 
  Species: Oreoglanis colurus
  Caption: Dorsal view
• 
  Species: Oreoglanis heteropogon
  Caption: Dorsal view
• 
  Species: Oreoglanis laciniosa
  Caption: Dorsal view
• 
  Species: Oreoglanis nakasathiani
  Caption: Dorsal view
• 
  Species: Oreoglanis nakasathiani
  Caption: Dorsal view
• 
  Species: Oreoglanis sudarai
  Caption: Dorsal view
• 
  Species: Oreoglanis suraswadii
  Caption: Dorsal view
• 
  Species: Oreoglanis tenuicauda
  Caption: Dorsal view
• 
  Species: Oreoglanis vicina
  Caption: Dorsal view
• 
  Species: Parachiloglanis benjii
  Caption: Dorsal view
• 
  Species: Parachiloglanis benjii
  Caption: Dorsal view
• 
  Species: Parachiloglanis bhutanensis
  Caption: Dorsal view
• 
  Species: Parachiloglanis drukyulensis
  Caption: Dorsal view
• 
  Species: Parachiloglanis drukyulensis
  Caption: Dorsal view
• 
  Species: Parachiloglanis hodgarti
  Caption: Dorsal view
• 
  Species: Pareuchiloglanis rhabdura
  Caption: Dorsal view
• 
  Species: Pareuchiloglanis salicesbarba
  Caption: Dorsal view
• 
  Species: Pseudecheneis eddsi
  Caption: Dorsal view
• 
  Species: Pseudecheneis intermedius
  Caption: Dorsal view
• 
  Species: Pseudecheneis longipectoralis
  Caption: Dorsal view
• 
  Species: Pseudecheneis sp. (2)
  Caption: Dorsal view
• 
  Species: Pseudecheneis sulcata
  Caption: Dorsal view
• 
  Species: Pseudecheneis sympelvica
  Caption: Dorsal view
• 
  Species: Pseudolaguvia austrina
  Caption: Dorsal view
• 
  Species: Pseudolaguvia ferula
  Caption: Dorsal view
• 
  Species: Pseudolaguvia flavida
  Caption: Dorsal view
• 
  Species: Pseudolaguvia foveolata
  Caption: Dorsal view
• 
  Species: Pseudolaguvia kapuri
  Caption: Dorsal View
• 
  Species: Pseudolaguvia spicula
  Caption: Dorsal view
• 
  Species: Pseudolaguvia virgulata
  Caption: Dorsal view
• 
  Species: Sisor rabdophorus
  Caption: Dorsal view
• 
  Species: Brachirus harmandi
  Caption: Dorsal view
• 
  Species: Brachirus panoides
  Caption: Dorsal view
• 
  Species: Brachirus panoides
  Caption: Dorsal view
• 
  Species: Dichotomyctere nigroviridis
  Caption: Dorsal view
• 
  Species: Pao baileyi
  Caption: Dorsal view
• 
  Species: Ammoglanis natgeorum
  Caption: Dorsal view
• 
  Species: Cambeva iheringi
  Caption: Dorsal view
• 
  Species: Cambeva ytororo
  Caption: Dorsal view
• 
  Species: Cambeva ytororo
  Caption: Dorsal view
• 
  Species: Haemomaster venezuelae
  Caption: Dorsal view
• 
  Species: Hatcheria macraei
  Caption: Dorsal view
• 
  Species: Ituglanis metae
  Caption: Dorsal view
• 
  Species: Pseudostegophilus maculatus
  Caption: Dorsal view
• 
  Species: Rhizosomichthys totae
  Caption: Dorsal view
• 
  Species: Rhizosomichthys totae
  Caption: Dorsal view
• 
  Species: Stegophilus insidiosus
  Caption: Dorsal view
• 
  Species: Trichomycterus banneaui
  Caption: Dorsal view
• 
  Species: Trichomycterus bomboizanus
  Caption: Dorsal view
• 
  Species: Trichomycterus borellii
  Caption: Dorsal view
• 
  Species: Trichomycterus gabrieli
  Caption: Dorsal view
• 
  Species: Trichomycterus gabrieli
  Caption: Dorsal view
• 
  Species: Trichomycterus migrans
  Caption: Dorsal view
• 
  Species: Trichomycterus romeroi
  Caption: Dorsal view
• 
  Species: Trichomycterus spegazzinii
  Caption: Dorsal view
• 
  Species: Trichomycterus spilosoma
  Caption: Dorsal view
• 
  Species: Tridensimilis brevis
  Caption: Dorsal view
• 
  Species: Megalodoras uranoscopus
  Caption: Dorsal view (315mm SL)
• 
  Species: Brachyplatystoma juruense
  Caption: Dorsal view (adult)
• 
  Species: Clarias batrachus
  Caption: Dorsal view (female)
• 
  Species: Panaqolus dentex
  Caption: Dorsal view (female)
• 
  Species: Peckoltia braueri
  Caption: Dorsal view (female)
• 
  Species: Peckoltia sp. (L080)
  Caption: Dorsal view (female)
• 
  Species: Duringlanis perugiae
  Caption: Dorsal view (male)
• 
  Species: Clarias batrachus
  Caption: Dorsal view (male)
• 
  Species: Ancistrus sp. (L393)
  Caption: Dorsal view (male)
• 
  Species: Panaqolus dentex
  Caption: Dorsal view (male)
• 
  Species: Panaqolus sp. (L169)
  Caption: Dorsal view (male)
• 
  Species: Peckoltia sp. (L080)
  Caption: Dorsal view (male)
• 
  Species: Erethistes jerdoni
  Caption: Dorsal view (male)
• 
  Species: Megalechis picta
  Caption: Dorsal view - adult male
• 
  Species: Hypancistrus zebra
  Caption: Dorsal view - eleven day old fry
• 
  Species: Ancistrus claro
  Caption: Dorsal view - male
• 
  Species: Ancistrus sp. (4)
  Caption: Dorsal view - male
• 
  Species: Ancistrus sp. (L255)
  Caption: Dorsal view - male
• 
  Species: Clarias batrachus
  Caption: Dorsal view - mottled colouration
• 
  Species: Hypancistrus zebra
  Caption: Dorsal view - nine day old fry
• 
  Species: Ancistrus sp. (L255)
  Caption: Dorsal view - pair
• 
  Species: Limatulichthys griseus
  Caption: Dorsal view - Parnaíba River
• 
  Species: Panaqolus sp. `ACRE`
  Caption: Dorsal view - Rio Amonia near the Brazilian town of Marechal Taumaturgo
• 
  Species: Ancistrus sp. `RIO FORMOSO II`
  Caption: Dorsal view after capture (female)
• 
  Species: Belodontichthys dinema
  Caption: Dorsal view fo head
• 
  Species: Pterygoplichthys pardalis
  Caption: Dorsal view from above water
• 
  Species: Synodontis haugi
  Caption: Dorsal view juvenile
• 
  Species: Synodontis haugi
  Caption: Dorsal view juvenile no 2
• 
  Species: Hypostomus froehlichi
  Caption: Dorsal view of a young 11 cm fish from rio formoso
• 
  Species: Pseudacanthicus sp. (L320)
  Caption: Dorsal view of adult
• 
  Species: Bagrichthys macracanthus
  Caption: Dorsal view of adult female
• 
  Species: Bagre urumacoensis
  Caption: Dorsal view of broken neurocranium
• 
  Species: Amblydoras nauticus
  Caption: Dorsal view of female
• 
  Species: Brochiloricaria chauliodon
  Caption: Dorsal view of female
• 
  Species: Brochiloricaria chauliodon
  Caption: Dorsal view of female
• 
  Species: Hypancistrus sp. (L070)
  Caption: Dorsal view of female
• 
  Species: Hypancistrus sp. (L270)
  Caption: Dorsal view of female
• 
  Species: Hypancistrus sp. (L316)
  Caption: Dorsal view of female
• 
  Species: Pseudacanthicus pirarara
  Caption: Dorsal view of female
• 
  Species: Pseudacanthicus sp. (LDA105)
  Caption: Dorsal view of female
• 
  Species: Pseudolithoxus dumus
  Caption: Dorsal view of female
• 
  Species: Rineloricaria eigenmanni
  Caption: Dorsal view of female
• 
  Species: Rineloricaria sp. (7)
  Caption: Dorsal view of female
• 
  Species: Leporacanthicus cf. galaxias(l241)
  Caption: Dorsal view of female (narrower head)
• 
  Species: Loricaria simillima
  Caption: Dorsal view of four month old youngsters
• 
  Species: Farlowella platorynchus
  Caption: Dorsal view of fry
• 
  Species: Dekeyseria amazonica
  Caption: Dorsal view of group
• 
  Species: Breitensteinia insignis
  Caption: Dorsal view of head
• 
  Species: Breitensteinia insignis
  Caption: Dorsal view of head
• 
  Species: Cathorops aguadulce
  Caption: Dorsal view of head
• 
  Species: Cathorops belizensis
  Caption: Dorsal view of head
• 
  Species: Cathorops higuchii
  Caption: Dorsal view of head
• 
  Species: Cathorops kailolae
  Caption: Dorsal view of head
• 
  Species: Cathorops melanopus
  Caption: Dorsal view of head
• 
  Species: Osteogeneiosus militaris
  Caption: Dorsal view of head
• 
  Species: Astroblepus pholeter
  Caption: Dorsal view of head
• 
  Species: Trachelyopterus ceratophysus
  Caption: Dorsal view of head
• 
  Species: Hemibagrus olyroides
  Caption: Dorsal view of head
• 
  Species: Pseudomystus stenogrammus
  Caption: Dorsal view of head
• 
  Species: Clariallabes melas
  Caption: Dorsal view of head
• 
  Species: Dolichallabes microphthalmus
  Caption: Dorsal view of head
• 
  Species: Gymnallabes typus
  Caption: Dorsal view of head
• 
  Species: Gymnallabes typus
  Caption: Dorsal view of head
• 
  Species: Chrysichthys delhezi
  Caption: Dorsal view of head
• 
  Species: Chrysichthys laticeps
  Caption: Dorsal view of head
• 
  Species: Chrysichthys longibarbis
  Caption: Dorsal view of head
• 
  Species: Chrysichthys punctatus
  Caption: Dorsal view of head
• 
  Species: Chrysichthys thonneri
  Caption: Dorsal view of head
• 
  Species: Parauchenoglanis punctatus
  Caption: Dorsal view of head
• 
  Species: Hemidoras stenopeltis
  Caption: Dorsal view of head
• 
  Species: Ancistrus cryptophthalmus
  Caption: Dorsal view of head
• 
  Species: Ancistrus macrophthalmus
  Caption: Dorsal view of head
• 
  Species: Hypostomus latifrons
  Caption: Dorsal view of head
• 
  Species: Hypostomus sp. (L087)
  Caption: Dorsal view of head
• 
  Species: Loricaria luciae
  Caption: Dorsal view of head
• 
  Species: Loricariichthys platymetopon
  Caption: Dorsal view of head
• 
  Species: Panaqolus nocturnus
  Caption: Dorsal view of head
• 
  Species: Peckoltia lujani
  Caption: Dorsal view of head
• 
  Species: Rineloricaria sp. (5)
  Caption: Dorsal view of head
• 
  Species: Scobinancistrus aureatus
  Caption: Dorsal view of head
• 
  Species: Synodontis aterrimus
  Caption: Dorsal view of head
• 
  Species: Synodontis velifer
  Caption: Dorsal view of head
• 
  Species: Platysilurus mucosus
  Caption: Dorsal view of head
• 
  Species: Platystomatichthys sturio
  Caption: Dorsal view of head
• 
  Species: Pseudoplatystoma reticulatum
  Caption: Dorsal view of head
• 
  Species: Silurus glanis
  Caption: Dorsal view of head
• 
  Species: Bagarius lica
  Caption: Dorsal view of head
• 
  Species: Microglanis reikoae
  Caption: Dorsal view of head, showing distinctive nostrils
• 
  Species: Hemibagrus divaricatus
  Caption: Dorsal view of holotype
• 
  Species: Hemibagrus lacustrinus
  Caption: Dorsal view of holotype
• 
  Species: Hemibagrus semotus
  Caption: Dorsal view of holotype
• 
  Species: Mystus zeylanicus
  Caption: Dorsal view of holotype
• 
  Species: Pseudomystus bomboides
  Caption: Dorsal view of holotype
• 
  Species: Ancistrus formoso
  Caption: Dorsal view of holotype
• 
  Species: Pseudancistrus reus
  Caption: Dorsal view of holotype
• 
  Species: Transancistrus santarosensis
  Caption: Dorsal view of holotype
• 
  Species: Chiloglanis igamba
  Caption: Dorsal view of holotype
• 
  Species: Chiloglanis kazumbei
  Caption: Dorsal view of holotype
• 
  Species: Chiloglanis orthodontus
  Caption: Dorsal view of holotype
• 
  Species: Ompok karunkodu
  Caption: Dorsal view of holotype
• 
  Species: Conta pectinata
  Caption: Dorsal view of holotype
• 
  Species: Erethistes longissimus
  Caption: Dorsal view of holotype
• 
  Species: Exostoma effrenum
  Caption: Dorsal view of holotype
• 
  Species: Exostoma ericinum
  Caption: Dorsal view of holotype
• 
  Species: Exostoma peregrinator
  Caption: Dorsal view of holotype
• 
  Species: Glyptothorax decussatus
  Caption: Dorsal view of holotype
• 
  Species: Glyptothorax famelicus
  Caption: Dorsal view of holotype
• 
  Species: Glyptothorax forabilis
  Caption: Dorsal view of holotype
• 
  Species: Glyptothorax keluk
  Caption: Dorsal view of holotype
• 
  Species: Glyptothorax pictus
  Caption: Dorsal view of holotype
• 
  Species: Glyptothorax porrectus
  Caption: Dorsal view of holotype
• 
  Species: Glyptothorax radiolus
  Caption: Dorsal view of holotype
• 
  Species: Gogangra laevis
  Caption: Dorsal view of holotype
• 
  Species: Pseudolaguvia assula
  Caption: Dorsal view of holotype
• 
  Species: Pseudolaguvia fucosa
  Caption: Dorsal view of holotype
• 
  Species: Pseudolaguvia inornata
  Caption: Dorsal view of holotype
• 
  Species: Pseudolaguvia nubila
  Caption: Dorsal view of holotype
• 
  Species: Pseudolaguvia viriosa
  Caption: Dorsal view of holotype
• 
  Species: Oxydoras niger
  Caption: Dorsal view of juvenile
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Dorsal view of juvenile
• 
  Species: Pseudacanthicus sp. (L320)
  Caption: Dorsal view of juvenile
• 
  Species: Parotocinclus sp. (3)
  Caption: Dorsal view of juvenile (1.5cm TL)
• 
  Species: Lophiobagrus brevispinis
  Caption: Dorsal view of male
• 
  Species: Brochiloricaria chauliodon
  Caption: Dorsal view of male
• 
  Species: Hypancistrus sp. (L070)
  Caption: Dorsal view of male
• 
  Species: Hypancistrus sp. (L316)
  Caption: Dorsal view of male
• 
  Species: Pseudolithoxus dumus
  Caption: Dorsal view of male
• 
  Species: Rineloricaria sp. `LORETO`
  Caption: Dorsal view of male
• 
  Species: Rineloricaria wolfei
  Caption: Dorsal view of male
• 
  Species: Leporacanthicus cf. galaxias(l241)
  Caption: Dorsal view of male (broader head)
• 
  Species: Sturisomatichthys reinae
  Caption: Dorsal view of male's bristles
• 
  Species: Rineloricaria sp. (7)
  Caption: Dorsal view of males
• 
  Species: Sturisomatichthys reinae
  Caption: Dorsal view of males
• 
  Species: Ariopsis ariopsilus
  Caption: Dorsal view of neurocranium and nuchal plate
• 
  Species: Sciades latissimum
  Caption: Dorsal view of neurocranium and nuchal plate
• 
  Species: Sciades peregrinus
  Caption: Dorsal view of neurocranium and nuchal plate
• 
  Species: Orinocodoras eigenmanni
  Caption: Dorsal view of pair
• 
  Species: Corydoras(ln5) elegans
  Caption: Dorsal view of pair - female below
• 
  Species: Corydoras(ln8sc4) agassizii
  Caption: Dorsal view of plates on head
• 
  Species: Amphiarius paleoorinocoensis
  Caption: Dorsal view of posterior portion of skull
• 
  Species: Pseudomystus heokhuii
  Caption: Dorsal view of preserved specimen
• 
  Species: Panaqolus gnomus
  Caption: Dorsal view of preserved specimen
• 
  Species: Synodontis zambezensis
  Caption: Dorsal view of preserved specimen
• 
  Species: Leiarius perruno
  Caption: Dorsal view of preserved specimen
• 
  Species: Chaetostoma tachiraense
  Caption: Dorsal view of preserved specimen (flipped)
• 
  Species: Farlowella azpelicuetae
  Caption: Dorsal view of snout with marbled coloration
• 
  Species: Pseudoplatystoma tigrinum
  Caption: Dorsal view of sub-adult
• 
  Species: Peckoltia sabaji
  Caption: Dorsal view of twenty two day old
• 
  Species: Lamontichthys llanero
  Caption: Dorsal view of upper body
• 
  Species: Synodontis violaceus
  Caption: Dorsal view of upper body
• 
  Species: Phyllonemus typus
  Caption: Dorsal view showing barbels
• 
  Species: Ancistomus sp. (L424)
  Caption: Dorsal view showing size
• 
  Species: Trachelyopterus albicrux
  Caption: Dorsal view showing white cross marking
• 
  Species: Brachyrhamdia thayeria
  Caption: Dorsal view with Corydoras arcuatus
• 
  Species: Chaetostoma microps
  Caption: Dorsal view, climbing. From Hoese, Addison, Toulkeridis, & Toomey III
• 
  Species: Hemibagrus capitulum
  Caption: Dorsal view, holotype of Hemibagrus chrysops
• 
  Species: Pseudancistrus kwinti
  Caption: Dorsal view, male
• 
  Species: Spatuloricaria puganensis
  Caption: Dorsal view, Peru, Cajamarca Region, Rio Chotano
• 
  Species: Microglanis malabarbai
  Caption: Dorsal view, Province of Corrientes, Argentina,
• 
  Species: Peckoltia sp. `RIO NEGRO II`
  Caption: Dorsal view, sexing (left, females; right, male)
• 
  Species: Synodontis longirostris
  Caption: Dorsal view-250 mm SL
• 
  Species: Panaqolus sp. (L374)
  Caption: Dorsal view-nine months
• 
  Species: Rita gogra
  Caption: Dorsal view.
• 
  Species: Glyptothorax cf. pectinopterus
  Caption: Dorsal view.
• 
  Species: Glyptothorax cf. pectinopterus
  Caption: Dorsal view.
• 
  Species: Chaetostoma sovichthys
  Caption: Dorsal view. Catutumbo basin
• 
  Species: Ancistrus martini
  Caption: Dorsal view. Photo, Nathan Lujan
• 
  Species: Hypostomus hemiurus
  Caption: Dorsal view. Photo: Andrew Snyder
• 
  Species: Ancistrus patronus
  Caption: Dorsal view. Photo: Nathan Lujan
• 
  Species: Microglanis parahybae
  Caption: Drawing from original description; dorsal view
• 
  Species: Chaetostoma breve
  Caption: Ecuador; Dorsal view
• 
  Species: Kryptopterus vitreolus
  Caption: F1 - Dorsal view
• 
  Species: Chaetostoma formosae
  Caption: Female - dorsal view
• 
  Species: Rineloricaria langei
  Caption: Female - dorsal view
• 
  Species: Rineloricaria maacki
  Caption: Female - dorsal view
• 
  Species: Epactionotus bilineatus
  Caption: Female, dorsal view
• 
  Species: Pareiorhaphis hystrix
  Caption: Female, dorsal view
• 
  Species: Rineloricaria daraha
  Caption: Female, dorsal view
• 
  Species: Rineloricaria sp. `ARGENTINA`
  Caption: Female, Dorsal view
• 
  Species: Corydoras(ln9) concolor
  Caption: Fry, Dorsal view
• 
  Species: Parotocinclus sp. `RIO CAQUETA`
  Caption: Gravid female, dorsal view
• 
  Species: Ancistrus cf. cirrhosus
  Caption: Green Dragon Veiltail - Dorsal view
• 
  Species: Pseudohemiodon sp. `PARAGUAY`
  Caption: Head, Dorsal view
• 
  Species: Dupouyichthys sapito
  Caption: Holotype (USNM 121072), 23 mm, Dorsal view
• 
  Species: Microglanis ater
  Caption: Holotype (ZMB 20932), dorsal view
• 
  Species: Ancistrus amaris
  Caption: Holotype dorsal view
• 
  Species: Ancistrus falconensis
  Caption: Holotype specimen - dorsal view
• 
  Species: Ernstichthys taquari
  Caption: Holotype, dorsal view
• 
  Species: Pseudobunocephalus timbira
  Caption: Holotype, dorsal view
• 
  Species: Xyliphius anachoretes
  Caption: Holotype, Dorsal view
• 
  Species: Centromochlus akwe
  Caption: Holotype, dorsal view
• 
  Species: Tatia caudosignata
  Caption: Holotype, dorsal view
• 
  Species: Olyra astrifera
  Caption: Holotype, dorsal view
• 
  Species: Corydoras(ln8sc4) brittoi
  Caption: Holotype, dorsal view
• 
  Species: Corydoras(ln9) apiaka
  Caption: Holotype, dorsal view
• 
  Species: Corydoras(ln9) pavanelliae
  Caption: Holotype, dorsal view
• 
  Species: Pseudotanganikallabes prognatha
  Caption: Holotype, dorsal view
• 
  Species: Mastiglanis yaguas
  Caption: Holotype, dorsal view
• 
  Species: Pimelodella longibarbata
  Caption: Holotype, dorsal view
• 
  Species: Pimelodella yaharo
  Caption: Holotype, dorsal view
• 
  Species: Ancistrus kellerae
  Caption: Holotype, dorsal view
• 
  Species: Ancistrus leoni
  Caption: Holotype, dorsal view
• 
  Species: Ancistrus saudades
  Caption: Holotype, dorsal view
• 
  Species: Ancistrus yutajae
  Caption: Holotype, dorsal view
• 
  Species: Chaetostoma chimu
  Caption: Holotype, dorsal view
• 
  Species: Corumbataia acanthodela
  Caption: Holotype, dorsal view
• 
  Species: Curculionichthys hera
  Caption: Holotype, dorsal view
• 
  Species: Curculionichthys insperatus
  Caption: Holotype, dorsal view
• 
  Species: Epactionotus advenus
  Caption: Holotype, dorsal view
• 
  Species: Farlowella altocorpus
  Caption: Holotype, dorsal view
• 
  Species: Farlowella gianetii
  Caption: Holotype, dorsal view
• 
  Species: Farlowella yarigui
  Caption: Holotype, dorsal view
• 
  Species: Hemiancistrus furtivus
  Caption: Holotype, dorsal view
• 
  Species: Hypancistrus margaritatus
  Caption: Holotype, Dorsal view
• 
  Species: Hypancistrus phantasma
  Caption: Holotype, Dorsal view
• 
  Species: Hypostomus ericae
  Caption: Holotype, dorsal view
• 
  Species: Otocinclus mangaba
  Caption: Holotype, dorsal view
• 
  Species: Parotocinclus amazonensis
  Caption: Holotype, dorsal view
• 
  Species: Parotocinclus nandae
  Caption: Holotype, dorsal view
• 
  Species: Rineloricaria aurata
  Caption: Holotype, dorsal view
• 
  Species: Spectracanthicus javae
  Caption: Holotype, dorsal view
• 
  Species: Spectracanthicus tocantinensis
  Caption: Holotype, dorsal view
• 
  Species: Microsynodontis armatus
  Caption: Holotype, dorsal view
• 
  Species: Microsynodontis laevigatus
  Caption: Holotype, dorsal view
• 
  Species: Microsynodontis notatus
  Caption: Holotype, dorsal view
• 
  Species: Iheringichthys syi
  Caption: Holotype, dorsal view
• 
  Species: Microglanis ater
  Caption: Holotype, dorsal view
• 
  Species: Microglanis carlae
  Caption: Holotype, dorsal view
• 
  Species: Microglanis eurystoma
  Caption: Holotype, dorsal view
• 
  Species: Microglanis garavelloi
  Caption: Holotype, dorsal view
• 
  Species: Microglanis iheringi
  Caption: Holotype, dorsal view
• 
  Species: Microglanis leniceae
  Caption: Holotype, dorsal view
• 
  Species: Microglanis leptostriatus
  Caption: Holotype, dorsal view
• 
  Species: Microglanis lundbergi
  Caption: Holotype, dorsal view
• 
  Species: Microglanis maculatus
  Caption: Holotype, dorsal view
• 
  Species: Microglanis malabarbai
  Caption: Holotype, dorsal view
• 
  Species: Microglanis minutus
  Caption: Holotype, dorsal view
• 
  Species: Microglanis nigripinnis
  Caption: Holotype, dorsal view
• 
  Species: Microglanis oliveirai
  Caption: Holotype, dorsal view
• 
  Species: Microglanis pataxo
  Caption: Holotype, dorsal view
• 
  Species: Microglanis pleriqueater
  Caption: Holotype, dorsal view
• 
  Species: Microglanis reikoae
  Caption: Holotype, dorsal view
• 
  Species: Microglanis robustus
  Caption: Holotype, dorsal view
• 
  Species: Microglanis sparsus
  Caption: Holotype, dorsal view
• 
  Species: Microglanis xerente
  Caption: Holotype, dorsal view
• 
  Species: Microglanis xylographicus
  Caption: Holotype, dorsal view
• 
  Species: Pseudopimelodus atricaudus
  Caption: Holotype, dorsal view
• 
  Species: Pseudopimelodus magnus
  Caption: Holotype, dorsal view
• 
  Species: Rhyacoglanis annulatus
  Caption: Holotype, dorsal view
• 
  Species: Rhyacoglanis epiblepsis
  Caption: Holotype, dorsal view
• 
  Species: Rhyacoglanis paranensis
  Caption: Holotype, dorsal view
• 
  Species: Rhyacoglanis seminiger
  Caption: Holotype, dorsal view
• 
  Species: Glyptothorax distichus
  Caption: Holotype, dorsal view
• 
  Species: Oreoglanis omkoiensis
  Caption: Holotype, dorsal view
• 
  Species: Pseudecheneis nagalandensis
  Caption: Holotype, dorsal view
• 
  Species: Cambeva flavopicta
  Caption: Holotype, dorsal view
• 
  Species: Paracanthopoma saci
  Caption: Holotype, dorsal view
• 
  Species: Trichogenes beagle
  Caption: Holotype, dorsal view
• 
  Species: Trichomycterus lauzannii
  Caption: Holotype, dorsal view
• 
  Species: Astroblepus cacharas
  Caption: Holotype, dorsal view of head
• 
  Species: Peckoltia otali
  Caption: Holotype, dorsal view, 76.5 mm SL
• 
  Species: Rhadinoloricaria stewarti
  Caption: Holotype, dorsal view.
• 
  Species: Hisonotus bockmanni
  Caption: Holotype, dorsal view. Female, 21.9mm SL
• 
  Species: Trichomycterus rosablanca
  Caption: Holotype, dorsal view. Photo by Felipe Villegas
• 
  Species: Ancistrus patronus
  Caption: Holotype, dorsal view. Photo: Nathan Lujan
• 
  Species: Pareiorhaphis vetula
  Caption: Holotype, male, dorsal view
• 
  Species: Rineloricaria isaaci
  Caption: Holotype, male, dorsal view
• 
  Species: Ferrarissoaresia meridionalis
  Caption: Holotype, male; Dorsal view
• 
  Species: Heptapterus carnatus
  Caption: Holotype. Dorsal view. Bar = 1cm
• 
  Species: Heptapterus exilis
  Caption: Holotype. Dorsal view. Bar = 1cm
• 
  Species: Tatia akroa
  Caption: Holotype. Male. Dorsal view
• 
  Species: Corydoras(ln6) froehlichi
  Caption: Holotype; dorsal view
• 
  Species: Auchenoglanis tchadiensis
  Caption: Juvenile - Dorsal View
• 
  Species: Sorubimichthys planiceps
  Caption: Juvenile - dorsal view
• 
  Species: Farlowella platorynchus
  Caption: Juvenile dorsal view
• 
  Species: Andeancistrus platycephalus
  Caption: Juvenile, Dorsal view
• 
  Species: Hypancistrus sp. `RIO GUAVIARE`
  Caption: Juvenile, Dorsal view
• 
  Species: Trichomycterus vitalbrazili
  Caption: Juvenile, dorsal view
• 
  Species: Chaca chaca
  Caption: Juveniles, four months old; Dorsal view
• 
  Species: Pseudohemiodon sp. `MARBLED`
  Caption: Juveniles; Dorsal view
• 
  Species: Spectracanthicus punctatissimus
  Caption: L030 dorsal view of head
• 
  Species: Spectracanthicus punctatissimus
  Caption: L030 dorsal view of head
• 
  Species: Spectracanthicus punctatissimus
  Caption: L030 dorsal view of head
• 
  Species: Dekeyseria picta
  Caption: L168, dorsal view
• 
  Species: Pseudolithoxus kinja
  Caption: L385, Dorsal view
• 
  Species: Pseudolithoxus kinja
  Caption: L492, Dorsal view
• 
  Species: Pterobunocephalus depressus
  Caption: Light color variant, Dorsal view
• 
  Species: Ancistrus kellerae
  Caption: Live coloration, dorsal view
• 
  Species: Ancistrus leoni
  Caption: Live coloration, dorsal view
• 
  Species: Ancistrus lithurgicus
  Caption: Live coloration, dorsal view
• 
  Species: Ancistrus saudades
  Caption: Live coloration, dorsal view
• 
  Species: Hemiancistrus guahiborum
  Caption: Male & female, dorsal view
• 
  Species: Ferrarissoaresia ferrarisi
  Caption: Male (Dorsal view of holotype)
• 
  Species: Scleromystax macropterus
  Caption: Male (dorsal view)
• 
  Species: Peckoltia sp. (L140)
  Caption: Male - dorsal view
• 
  Species: Rineloricaria langei
  Caption: Male - dorsal view
• 
  Species: Rineloricaria maacki
  Caption: Male - dorsal view
• 
  Species: Epactionotus bilineatus
  Caption: Male, dorsal view
• 
  Species: Rineloricaria daraha
  Caption: Male, dorsal view
• 
  Species: Rineloricaria sp. `ARGENTINA`
  Caption: Male, Dorsal view
• 
  Species: Bunocephalus verrucosus
  Caption: Manaus; Dorsal view
• 
  Species: Hypostomus subcarinatus
  Caption: MCNIP 1103, Dorsal view
• 
  Species: Cordylancistrus pijao
  Caption: Middle Magdalena, Antioquia Dept. Dorsal view
• 
  Species: Mastiglanis sp. (2)
  Caption: MUSM 55055, Holotype, dorsal view
• 
  Species: Microglanis poecilus
  Caption: Original figure in Eigenmann (1912). Dorsal view
• 
  Species: Microglanis garavelloi
  Caption: Paratype, dorsal view
• 
  Species: Pareiorhaphis vetula
  Caption: Paratype, female, dorsal view
• 
  Species: Ferrarissoaresia meridionalis
  Caption: Paratype, female; Dorsal view
• 
  Species: Microglanis iheringi
  Caption: Pectoral fin spine, dorsal view
• 
  Species: Microglanis iheringi
  Caption: Pectoral fin spine, dorsal view
• 
  Species: Microglanis parahybae
  Caption: Pectoral fin spine, dorsal view
• 
  Species: Microglanis poecilus
  Caption: Pectoral fin spine, dorsal view
• 
  Species: Microglanis poecilus
  Caption: Pectoral fin spine, dorsal view
• 
  Species: Microglanis secundus
  Caption: Pectoral fin spine, dorsal view
• 
  Species: Microglanis secundus
  Caption: Pectoral fin spine, dorsal view
• 
  Species: Microglanis variegatus
  Caption: Pectoral fin spine, dorsal view
• 
  Species: Microglanis berbixae
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis carlae
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis cottoides
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis garavelloi
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis leniceae
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis lundbergi
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis minutus
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis nigrolineatus
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis oliveirai
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis parahybae
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis pataxo
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis pleriqueater
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis reikoae
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis robustus
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis sparsus
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis xerente
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis xylographicus
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species: Microglanis zonatus
  Caption: Pectoral fin spine, dorsal view. From Eigenmann & Allen
• 
  Species: Microglanis maculatus
  Caption: Pectoral fin spine, dorsal view. Holotype & paratype.
• 
  Species: Microglanis pellopterygius
  Caption: Pectoral fin spine, dorsal view. Variation.
• 
  Species: Rhyacoglanis annulatus
  Caption: Pectoral spine, dorsal view
• 
  Species: Rhyacoglanis epiblepsis
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species: Rhyacoglanis paranensis
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species: Rhyacoglanis pulcher
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species: Rhyacoglanis seminiger
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species: Lasiancistrus caucanus
  Caption: Preserved specimen - Dorsal view
• 
  Species: Ernstichthys anduzei
  Caption: Rio Apure (ANSP198898), Dorsal view
• 
  Species: Dentectus barbarmatus
  Caption: Rio Apure, 114.5mm SL (ANSP198883), Dorsal view
• 
  Species: Pseudohemiodon unillano
  Caption: Rio Apure, 130.6mm SL (ANSP198882), Dorsal view
• 
  Species: Loricariichthys brunneus
  Caption: Rio Apure, 173.4mm SL (ANSP198885), Dorsal view
• 
  Species: Sturisoma tenuirostre
  Caption: Rio Apure, 207mm SL (ANSP198951_t4733), Dorsal view
• 
  Species: Rhadinoloricaria sp. `RIO APURE`
  Caption: Rio Apure, 81.1mm SL (ANSP198917), Dorsal view
• 
  Species: Malacoglanis gelatinosus
  Caption: Rio Ariporo, dorsal view
• 
  Species: Hypostomus ancistroides
  Caption: Rio Jau, Brazil. Dorsal view
• 
  Species: Pseudopimelodus bufonius
  Caption: Rio Xingu - 84mm SL - Dorsal view
• 
  Species: Scleronema minutum
  Caption: Rio Yaguaron, Uruguay; Dorsal view
• 
  Species: Trichomycterus brasiliensis
  Caption: Small tributary, Paraopeba. Dorsal view
• 
  Species: Pseudoplatystoma sp. hybrid(4)
  Caption: Two year old, dorsal view (18" SL)
• 
  Species: Microglanis cottoides
  Caption: UFRGS 20930, Biguacu basin, Antonio Carlos, SC, Brazil. Dorsal view
• 
  Species: Synodontis nigriventris
  Caption: Zebra Kutu variant-dorsal view