All Fishes ⇒ Pseudopimelodidae ⇒ Rhyacoglanis  |  | 

  • Rhyacoglanis benineiLive specimen
  • Rhyacoglanis benineiHolotype
  • Rhyacoglanis benineiHolotype, dorsal view
  • Rhyacoglanis benineiHolotype, ventral view
  • Rhyacoglanis benineiColor variation on body sides
  • Rhyacoglanis benineiColor variation on body sides
  • Rhyacoglanis benineiColor variation on body sides
  • Rhyacoglanis benineiColor variation on body sides
  • Rhyacoglanis benineiDark pigmented diagonal pre-dorsal bars
  • Rhyacoglanis benineiPectoral-fin spine, dorsal view. Bar = 2.0 mm
  • Rhyacoglanis benineiType locality
Hop to next section All Fishes Data Sheet
Scientific Name Rhyacoglanis beninei    Crispim-Rodrigues, Silva, Shibatta, Kuranaka & Oliveira, 2023
Common Name
Type Locality Córrego Jussara, tributary of Jamanxim River, municipally of Novo Progresso, Tapajós River basin, Pará State, Brazil, 07°21'08"S, 55°17'45"W.
Etymology Rhyacoglanis, from the Greek rhyax = torrent + glanis = catfish; indicating a catfish inhabiting running waters in reference to the habitat of the genus. Gender masculine. 
Hop to next section Species Information
Size 59mm or 2.3" SL. Find near, nearer or same sized spp.
Identification Rhyacoglanis is distinguished from other Pseudopimelodidae by three synapomorphies: presence of a light blotch on the cheek; a connection between the middle of the dark caudal-fin stripe and the dark caudal-peduncle pigmentation; and 30-35 total vertebrae. A key to the species is located HERE.
Hop to next section Habitat Information
Distribution
Amazon, Lower Amazon, Tapajós, Middle Tapajós, Jamanxim (click on these areas to find other species found there)

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IUCN Red List Category
Not Evaluated
Hop to next section Husbandry Information
Furniture See general remarks. Rhyacoglanis likely prefer well-aerated water with significant current over a substrate of rocks, pebbles and sand.
Breeding Unreported.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Neotropical Ichthyology v. 21 (no. 3): e230051, pp 4, Figs. 1-5.
Registered Keepers There is no registered keeper.
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Last Update 2025 Jan 01 12:23 (species record created: 2023 Aug 21 07:32)