This list shows all fish common names beginning with the letter O.
A B C D E F G H I J K L M N o P Q R S T U V W X Y Z
Select a language: Any | Afrikaans | Bengali | Bugandan | Chinese | Danish | Denmark | English | Finnish | French | German | Indonesian | Japanese | Khmer | Korean | Malay | Malaysian | Native | Orinoquia | Portoguese | Portugese | Portuguese | Spanish | Swahili | Swedish | Taiwanese | Thai
| 1. | Oaxaca Livebearer | Poeciliopsis lutzi | (i: 0, k: 0) |
| 2. | OB-Morph: Blue Malawi-Zebra (German, Germany) | Maylandia estherae | (i: 0, k: 1) |
| 3. | Obbes' Tandan | (i: 4, k: 0) | |
| 4. | Ocellated Synodontis | (i: 11, k: 0) | |
| 5. | Odessa Barb | (i: 2, k: 0) | |
| 6. | Ogôoué Lampeye | Plataplochilus terveri | (i: 0, k: 0) |
| 7. | Ogilvies Raubsalmler (German, Germany) | Roestes ogilviei | (i: 0, k: 0) |
| 8. | Ogre Catfish | (i: 15, k: 0) | |
| 9. | Ohrgitter-Harnischwels (German, Germany) | (i: 4, k: 0) | |
| 10. | Ohrgitter-Harnischwels (German, Germany) | (i: 2, k: 1) | |
| 11. | Ohrgitter-Harnischwels (German, Germany) | (i: 7, k: 0) | |
| 12. | Ohrgitter-Harnischwels (German, Germany) | Otocinclus hasemani | (i: 0, k: 0) |
| 13. | Ohrgitterharnischwels (German, Germany) | (i: 28, k: 0) | |
| 14. | Oil Catfish | (i: 26, k: 0) | |
| 15. | Oilspotted Pleco | (i: 1, k: 0) | |
| 16. | Okavango Tilapia | Tilapia ruweti | (i: 0, k: 0) |
| 17. | Olga Cory | (i: 13, k: 0) | |
| 18. | Oliefinnepansermalle (Danish, Denmark) | (i: 7, k: 0) | |
| 19. | Olieplettet Sugemalle (Danish, Denmark) | (i: 1, k: 0) | |
| 20. | Olive Armor Pleco | (i: 3, k: 0) | |
| 21. | Olive Barb | (i: 1, k: 0) | |
| 22. | Olive Cory | (i: 2, k: 0) | |
| 23. | Olive Skiffia | Skiffia lermae | (i: 0, k: 0) |
| 24. | Oliven Kaktussugemalle (Danish, Denmark) | (i: 20, k: 0) | |
| 25. | Oliven-pansersugemalle (Danish, Denmark) | (i: 3, k: 0) | |
| 26. | Olivenpansermalle (Danish, Denmark) | (i: 2, k: 0) | |
| 27. | Omani Blind Cave Fish | (i: 1, k: 0) | |
| 28. | One Spot Pangasius | (i: 7, k: 0) | |
| 29. | One-line Pencilfish | (i: 1, k: 0) | |
| 30. | One-spot Betta | Betta unimaculata | (i: 0, k: 0) |
| 31. | One-stripe Spinyeel | Macrognathus aral | (i: 0, k: 0) |
| 32. | Oneline Tetra | Nannaethiops unitaeniatus | (i: 0, k: 0) |
| 33. | Onesided Livebearer | Jenynsia lineata | (i: 0, k: 0) |
| 34. | Onespot Barb | (i: 1, k: 0) | |
| 35. | Opal Allotoca | (i: 1, k: 0) | |
| 36. | Opal Cory | (i: 1, k: 0) | |
| 37. | Opal Spot Pleco | (i: 31, k: 0) | |
| 38. | Opal-Fadenfisch (German, Germany) | (i: 6, k: 0) | |
| 39. | Opaline Gourami | (i: 6, k: 0) | |
| 40. | Opalpansermalle (Danish, Denmark) | (i: 1, k: 0) | |
| 41. | Opalplettet Sugemalle (Danish, Denmark) | (i: 31, k: 0) | |
| 42. | Orange Banded Cory | (i: 3, k: 0) | |
| 43. | Orange Banded Hillstream Catfish | (i: 6, k: 0) | |
| 44. | Orange Banded Stone Catfish | (i: 6, k: 0) | |
| 45. | Orange Black Pleco | (i: 1, k: 0) | |
| 46. | Orange Catfish | (i: 29, k: 0) | |
| 47. | Orange Catfish | (i: 42, k: 0) | |
| 48. | Orange Cheek Pinecone Pleco | (i: 14, k: 0) | |
| 49. | Orange Chromide | (i: 1, k: 0) | |
| 50. | Orange Cory | (i: 1, k: 0) | |
| 51. | Orange Fin Bristlenose | Ancistrus sp. (L369) | (i: 0, k: 0) |
| 52. | Orange Fin Bristlenose | Ancistrus sp. (L371) | (i: 0, k: 0) |
| 53. | Orange Finned Oyapok Pleco | (i: 1, k: 0) | |
| 54. | Orange Lane Pleco | Hypostomus sp. (L222) | (i: 0, k: 0) |
| 55. | Orange Seam Ghost Pleco | (i: 4, k: 0) | |
| 56. | Orange Seam Pleco | (i: 36, k: 0) | |
| 57. | Orange Spot Pleco | (i: 24, k: 0) | |
| 58. | Orange Spotted Bristlenose | (i: 8, k: 0) | |
| 59. | Orange Spotted Sunfish | Lepomis humilis | (i: 0, k: 0) |
| 60. | Orange Stripe Cory | (i: 14, k: 0) | |
| 61. | Orange Striped Squeaker | (i: 14, k: 0) | |
| 62. | Orange Sugemalle (Danish, Denmark) | (i: 25, k: 0) | |
| 63. | Orange Tiger Pleco | (i: 7, k: 0) | |
| 64. | Orange Tigersugemalle (Danish, Denmark) | (i: 7, k: 0) | |
| 65. | Orange-Buschfisch (German, Germany) | (i: 1, k: 0) | |
| 66. | Orange-cheek Betta | (i: 12, k: 0) | |
| 67. | Orange-fringed Largemouth | Chetia brevis | (i: 0, k: 0) |
| 68. | Orange-pattern Pleco | Hemiancistrus votouro | (i: 0, k: 0) |
| 69. | Orange-spotted Grouper | (i: 1, k: 0) | |
| 70. | Orange-Zwergprachtkärpfling (German, Germany) | Diapteron fulgens | (i: 0, k: 0) |
| 71. | Orangebåndet Pansermalle (Danish, Denmark) | (i: 3, k: 0) | |
| 72. | Orangefin Madtom | (i: 1, k: 0) | |
| 73. | Orangefinnet Antennesugemalle (Danish, Denmark) | Ancistrus sp. (L369) | (i: 0, k: 0) |
| 74. | Orangefinnet Antennesugemalle (Danish, Denmark) | Ancistrus sp. (L371) | (i: 0, k: 0) |
| 75. | Orangefinnet Giftmalle (Danish, Denmark) | (i: 1, k: 0) | |
| 76. | Orangefinnet Oyapok-sugemalle (Danish, Denmark) | (i: 1, k: 0) | |
| 77. | Orangefinnet Pansermalle (Danish, Denmark) | (i: 9, k: 0) | |
| 78. | Orangefinnet Spøgelsessugemalle (Danish, Denmark) | (i: 4, k: 0) | |
| 79. | Orangeflecken Sonnenbarsch (German, Germany) | Lepomis humilis | (i: 0, k: 0) |
| 80. | Orangeflossen-Kaerpfling (German, Germany) | Poeciliopsis monacha | (i: 0, k: 0) |
| 81. | Orangeflossen-Prachtkärpfling (German, Germany) | Aphyosemion campomaanense | (i: 0, k: 0) |
| 82. | Orangegul Sugemalle (Danish, Denmark) | (i: 25, k: 0) | |
| 83. | Orangehalet Halvfinnesugemalle (Danish, Denmark) | (i: 2, k: 0) | |
| 84. | Orangekindet Koglesugemalle (Danish, Denmark) | (i: 14, k: 0) | |
| 85. | Orangemønstret Sugemalle (Danish, Denmark) | Hemiancistrus votouro | (i: 0, k: 0) |
| 86. | Orangepandet Pansermalle (Danish, Denmark) | (i: 12, k: 0) | |
| 87. | Orangeplettet Prinsesugemalle (Danish, Denmark) | (i: 24, k: 0) | |
| 88. | Orangepletttet Antennesugemalle (Danish, Denmark) | (i: 8, k: 0) | |
| 89. | Orangerandet Sugemalle (Danish, Denmark) | (i: 17, k: 0) | |
| 90. | Orangesort Sugemalle (Danish, Denmark) | (i: 1, k: 0) | |
| 91. | Orangesømmet Sugemalle (Danish, Denmark) | (i: 36, k: 0) | |
| 92. | Orangestiplet Paru-sugemalle (Danish, Denmark) | Hypostomus sp. (L222) | (i: 0, k: 0) |
| 93. | Orangestiplet Sugemalle (Danish, Denmark) | (i: 26, k: 1) | |
| 94. | Orangestribet Pansermalle (Danish, Denmark) | (i: 14, k: 0) | |
| 95. | Orangestribet Skægmalle (Danish, Denmark) | (i: 14, k: 0) | |
| 96. | Orangetailed Halffin Pleco | (i: 2, k: 0) | |
| 97. | Orangethroat Darter | Etheostoma spectabile | (i: 0, k: 0) |
| 98. | Orca Cory | (i: 2, k: 0) | |
| 99. | Oregon Fossil Catfish | (i: 1, k: 0) | |
| 100. | Oremon Catfish | (i: 29, k: 0) | |
| 101. | Orinoco Angel Pleco | (i: 17, k: 2) | |
| 102. | Orinoco Bristlenose | (i: 1, k: 0) | |
| 103. | Orinoco Butterfly Pleco | (i: 49, k: 0) | |
| 104. | Orinoco Eartheater | Biotodoma wavrini | (i: 0, k: 0) |
| 105. | Orinoco Galaxy Pleco | (i: 24, k: 0) | |
| 106. | Orinoco Pinecone Pleco | (i: 2, k: 0) | |
| 107. | Orinoco Polka-dot Pleco | (i: 26, k: 0) | |
| 108. | Orinoco Sailfin Catfish | (i: 2, k: 0) | |
| 109. | Orinoco Talking Catfish | (i: 13, k: 0) | |
| 110. | Orinoco Tiger Pleco | (i: 1, k: 0) | |
| 111. | Orinoco-antennesugemalle (Danish, Denmark) | (i: 1, k: 0) | |
| 112. | Orinoco-englesugemalle (Danish, Denmark) | (i: 17, k: 2) | |
| 113. | Orinoco-tigersugemalle (Danish, Denmark) | (i: 1, k: 0) | |
| 114. | Orituco Harlequin Whiptail | (i: 5, k: 0) | |
| 115. | Ormesnudet Pansermalle (Danish, Denmark) | (i: 2, k: 0) | |
| 116. | Ormestribet Pansermalle (Danish, Denmark) | (i: 3, k: 0) | |
| 117. | Ormestribet Sugemalle (Danish, Denmark) | (i: 15, k: 0) | |
| 118. | Ormgrönling (Swedish, Sweden) | (i: 1, k: 0) | |
| 119. | Ornate Bagrid | (i: 8, k: 0) | |
| 120. | Ornate Bichir | (i: 1, k: 0) | |
| 121. | Ornate Cory | Brochis (sub-clade 3) sp. (C152) | (i: 0, k: 0) |
| 122. | Ornate Cory | (i: 3, k: 0) | |
| 123. | Ornate Halffin Pleco | Lasiancistrus sp. (L386) | (i: 0, k: 0) |
| 124. | Ornate Limia | Poecilia ornata | (i: 0, k: 0) |
| 125. | Ornate Paradisefish | Malpulutta kretseri | (i: 0, k: 0) |
| 126. | Ornate Pimelodus | (i: 21, k: 0) | |
| 127. | Ornate Rainbowfish | Rhadinocentrus ornatus | (i: 0, k: 0) |
| 128. | Ornate Rubbernose | (i: 30, k: 0) | |
| 129. | Ornate Shadow Catfish | (i: 3, k: 0) | |
| 130. | Ornate Tetra | (i: 1, k: 0) | |
| 131. | Orocue Cory | (i: 3, k: 0) | |
| 132. | Orocue-pansermalle (Danish, Denmark) | (i: 3, k: 0) | |
| 133. | Otjikoto Tilapia | Tilapia guinasana | (i: 0, k: 0) |
| 134. | Oto | (i: 28, k: 0) | |
| 135. | Oto | (i: 3, k: 0) | |
| 136. | Oto | (i: 11, k: 0) | |
| 137. | Oto | (i: 5, k: 0) | |
| 138. | Otocinclus Negros (German, Germany) | (i: 13, k: 0) | |
| 139. | Otorongo Woodcat | (i: 14, k: 0) | |
| 140. | Ouachita Madtom | (i: 1, k: 0) | |
| 141. | Ovalplettet Pansermalle (Danish, Denmark) | (i: 3, k: 0) | |
| 142. | Oyapock Eartheater | Geophagus camopiensis | (i: 0, k: 0) |
| 143. | Oyapok Hook Fin Pleco | (i: 1, k: 0) | |
| 144. | Oyapok-krogfinnesugemalle (Danish, Denmark) | (i: 1, k: 0) | |
| 145. | Ozark Bass | Ambloplites constellatus | (i: 0, k: 0) |
| 146. | Ozark Madtom | (i: 1, k: 0) | |
| 147. | Ozark-giftmalle (Danish, Denmark) | (i: 1, k: 0) | |
| 148. | Ozelotsugemalle (Danish, Denmark) | (i: 9, k: 0) |
/siluriformes/plotosidae/porochilus/obbesi/1.jpg "Porochilus obbesi")
/siluriformes/mochokidae/synodontis/ocellifer/1.jpg "Synodontis ocellifer")
/cypriniformes/cyprinidae/pethia/padamya/1.jpg "Pethia padamya")
/siluriformes/auchenipteridae/asterophysus/batrachus/1.jpg "Asterophysus batrachus")
/siluriformes/loricariidae/otocinclus/vestitus/1.jpg "Otocinclus vestitus")
/siluriformes/loricariidae/otocinclus/affinis/1.jpg "Otocinclus affinis")
/siluriformes/loricariidae/otocinclus/hoppei/1.jpg "Otocinclus hoppei")
/siluriformes/loricariidae/otocinclus/vittatus/1.jpg "Otocinclus vittatus")
/siluriformes/auchenipteridae/duringlanis/perugiae/1.jpg "Duringlanis perugiae")
/siluriformes/loricariidae/peckoltia/sp%28l478%29/1.jpg "Peckoltia sp. (L478)")
/siluriformes/callichthyidae/corydoras/simulatus/1.jpg "Corydoras simulatus")
/siluriformes/callichthyidae/hoplisoma/punctatum/1.jpg "Hoplisoma punctatum")
/siluriformes/loricariidae/parancistrus/sp%28l332%29/1.jpg "Parancistrus sp. (L332)")
/cypriniformes/cyprinidae/systomus/cf_sarana/1.jpg "Systomus cf. sarana")
/siluriformes/callichthyidae/gastrodermus/sp%28cw019%29/1.jpg "Gastrodermus sp. (Cw019)")
/siluriformes/loricariidae/pseudacanthicus/pitanga/1.jpg "Pseudacanthicus pitanga")
/cypriniformes/cyprinidae/garra/barreimiae/1.jpg "Garra barreimiae")
/siluriformes/pangasiidae/pangasius/larnaudii/1.jpg "Pangasius larnaudii")
/characiformes/lebiasinidae/nannostomus/unifasciatus/1.jpg "Nannostomus unifasciatus")
/cypriniformes/cyprinidae/puntius/terio/1.jpg "Puntius terio")
/cyprinodontiformes/goodeidae/allotoca/dugesii/1.jpg "Allotoca dugesii")
/siluriformes/callichthyidae/brochis(sc3)/sp%28cw013%29/1.jpg "Brochis (sub-clade 3) sp. (Cw013)")
/siluriformes/loricariidae/scobinancistrus/raonii/1.jpg "Scobinancistrus raonii")
/perciformes/osphronemidae/trichopodus/trichopterus/1.jpg "Trichopodus trichopterus")
/siluriformes/callichthyidae/brochis(sc3)/sp%28cw117%29/1.jpg "Brochis (sub-clade 3) sp. (Cw117)")
/siluriformes/akysidae/akysis/vespa/1.jpg "Akysis vespa")
/siluriformes/loricariidae/ancistrini/sp%28l069%29/1.jpg "Ancistrini sp. (L069)")
/siluriformes/pseudopimelodidae/lophiosilurus/fowleri/1.jpg "Lophiosilurus fowleri")
/siluriformes/pseudopimelodidae/lophiosilurus/apurensis/1.jpg "Lophiosilurus apurensis")
/siluriformes/loricariidae/pseudorinelepis/sp%28l095%29/1.jpg "Pseudorinelepis sp. (L095)")
/perciformes/cichlidae/pseudetroplus/maculatus/1.jpg "Pseudetroplus maculatus")
/siluriformes/callichthyidae/brochis(sc3)/sp%28cw113%29/1.jpg "Brochis (sub-clade 3) sp. (Cw113)")
/siluriformes/loricariidae/peckoltia/sp%28l061%29/1.jpg "Peckoltia sp. (L061)")
/siluriformes/loricariidae/ancistomus/cf_snethlageae/1.jpg "Ancistomus cf. snethlageae")
/siluriformes/loricariidae/peckoltia/sp%28l076%29/1.jpg "Peckoltia sp. (L076)")
/siluriformes/loricariidae/panaqolus/albomaculatus/1.jpg "Panaqolus albomaculatus")
/siluriformes/loricariidae/ancistrus/hoplogenys/1.jpg "Ancistrus hoplogenys")
/siluriformes/callichthyidae/osteogaster/sp%28cw014%29/1.jpg "Osteogaster sp. (Cw014)")
/siluriformes/mochokidae/synodontis/flavitaeniatus/1.jpg "Synodontis flavitaeniatus")
/siluriformes/loricariidae/hypostomus/pusarum/1.jpg "Hypostomus pusarum")
/siluriformes/loricariidae/peckoltia/wernekei/1.jpg "Peckoltia wernekei")
/perciformes/anabantidae/microctenopoma/ansorgii/1.jpg "Microctenopoma ansorgii")
/perciformes/osphronemidae/betta/macrostoma/1.jpg "Betta macrostoma")
/perciformes/epinephelidae/epinephelus/coioides/1.jpg "Epinephelus coioides")
/siluriformes/ictaluridae/noturus/gilberti/1.jpg "Noturus gilberti")
/siluriformes/callichthyidae/brochis(sc3)/seussi/1.jpg "Brochis (sub-clade 3) seussi")
/siluriformes/loricariidae/lasiancistrus/sp%28l479%29/1.jpg "Lasiancistrus sp. (L479)")
/siluriformes/callichthyidae/hoplisoma/adolfoi/1.jpg "Hoplisoma adolfoi")
/siluriformes/loricariidae/hemiancistrus/guahiborum/1.jpg "Hemiancistrus guahiborum")
/siluriformes/loricariidae/leporacanthicus/triactis/1.jpg "Leporacanthicus triactis")
/siluriformes/callichthyidae/corydoras/desana/1.jpg "Corydoras desana")
/siluriformes/hypsidoridae/hypsidoris/oregonensis/1.jpg "†Hypsidoris oregonensis")
/siluriformes/loricariidae/hypancistrus/sp%28l201%29/1.jpg "Hypancistrus sp. (L201)")
/siluriformes/loricariidae/ancistrus/sp%28l125%29/1.jpg "Ancistrus sp. (L125)")
/siluriformes/loricariidae/dekeyseria/picta/1.jpg "Dekeyseria picta")
/siluriformes/loricariidae/leporacanthicus/cf_galaxias%28l240%29/1.jpg "Leporacanthicus cf. galaxias(l240)")
/siluriformes/loricariidae/pseudorinelepis/sp%28l152%29/1.jpg "Pseudorinelepis sp. (L152)")
/siluriformes/loricariidae/hypancistrus/contradens/1.jpg "Hypancistrus contradens")
/siluriformes/loricariidae/pterygoplichthys/multiradiatus/1.jpg "Pterygoplichthys multiradiatus")
/siluriformes/doradidae/orinocodoras/eigenmanni/1.jpg "Orinocodoras eigenmanni")
/siluriformes/loricariidae/peckoltia/sp%28l103%29/1.jpg "Peckoltia sp. (L103)")
/siluriformes/loricariidae/loricaria/sp%60rio_orituco%60/1.jpg "Loricaria sp. `RIO ORITUCO`")
/siluriformes/callichthyidae/corydoras/sp%28cw073%29/1.jpg "Corydoras sp. (Cw073)")
/siluriformes/callichthyidae/brochis(sc3)/sp%28cw040%29/1.jpg "Brochis (sub-clade 3) sp. (Cw040)")
/siluriformes/loricariidae/parancistrus/sp%28lda046%29/1.jpg "Parancistrus sp. (LDA046)")
/cypriniformes/cobitidae/pangio/semicincta/1.jpg "Pangio semicincta")
/siluriformes/claroteidae/chrysichthys/ornatus/1.jpg "Chrysichthys ornatus")
/polypteriformes/polypteridae/polypterus/ornatipinnis/1.jpg "Polypterus ornatipinnis")
/siluriformes/callichthyidae/brochis(sc3)/ornatus/1.jpg "Brochis (sub-clade 3) ornatus")
/siluriformes/pimelodidae/pimelodus/ornatus/1.jpg "Pimelodus ornatus")
/siluriformes/loricariidae/chaetostoma/sacramento/1.jpg "Chaetostoma sacramento")
/siluriformes/bagridae/hyalobagrus/ornatus/1.jpg "Hyalobagrus ornatus")
/characiformes/acestrorhamphidae/megalamphodus/bentosi/1.jpg "Megalamphodus bentosi")
/siluriformes/callichthyidae/hoplisoma/esperanzae/1.jpg "Hoplisoma esperanzae")
/siluriformes/loricariidae/otocinclus/sp%281%29/1.jpg "Otocinclus sp. (1)")
/siluriformes/loricariidae/otocinclus/macrospilus/1.jpg "Otocinclus macrospilus")
/siluriformes/loricariidae/otocinclus/mariae/1.jpg "Otocinclus mariae")
/siluriformes/loricariidae/otothyropsis/piribebuy/1.jpg "Otothyropsis piribebuy")
/siluriformes/auchenipteridae/spinipterus/moijiri/1.jpg "Spinipterus moijiri")
/siluriformes/ictaluridae/noturus/lachneri/1.jpg "Noturus lachneri")
/siluriformes/callichthyidae/brochis(sc1)/sp%28c057%29/1.jpg "Brochis (sub-clade 1) sp. (C057)")
/siluriformes/loricariidae/harttia/sp%28l053%29/1.jpg "Harttia sp. (L053)")
/siluriformes/ictaluridae/noturus/albater/1.jpg "Noturus albater")
/siluriformes/loricariidae/megalancistrus/sp%28l234%29/1.jpg "Megalancistrus sp. (L234)")