This list shows all catfish 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
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| 1. | Obbes' Tandan | (i: 4, k: 2) | |
| 2. | Ocellated Synodontis | (i: 11, k: 76) | |
| 3. | Ogre Catfish | (i: 15, k: 27) | |
| 4. | Oil Catfish | (i: 26, k: 131) | |
| 5. | Oilspotted Pleco | (i: 1, k: 1) | |
| 6. | Olga Cory | (i: 13, k: 26) | |
| 7. | Olive Cory | (i: 2, k: 3) | |
| 8. | One Spot Pangasius | (i: 7, k: 7) | |
| 9. | Opal Cory | (i: 1, k: 1) | |
| 10. | Opal Spot Pleco | (i: 31, k: 61) | |
| 11. | Orange Banded Cory | (i: 3, k: 0) | |
| 12. | Orange Banded Hillstream Catfish | (i: 6, k: 20) | |
| 13. | Orange Banded Stone Catfish | (i: 6, k: 20) | |
| 14. | Orange Black Pleco | (i: 1, k: 3) | |
| 15. | Orange Catfish | (i: 29, k: 8) | |
| 16. | Orange Catfish | (i: 42, k: 14) | |
| 17. | Orange Cheek Pinecone Pleco | (i: 14, k: 50) | |
| 18. | Orange Cory | (i: 1, k: 1) | |
| 19. | Orange Fin Bristlenose | Ancistrus sp. (L369) | (i: 0, k: 3) |
| 20. | Orange Fin Bristlenose | Ancistrus sp. (L371) | (i: 0, k: 1) |
| 21. | Orange Finned Oyapok Pleco | (i: 1, k: 4) | |
| 22. | Orange Lane Pleco | Hypostomus sp. (L222) | (i: 0, k: 1) |
| 23. | Orange Seam Ghost Pleco | (i: 4, k: 5) | |
| 24. | Orange Seam Pleco | (i: 28, k: 43) | |
| 25. | Orange Spot Pleco | (i: 24, k: 125) | |
| 26. | Orange Spotted Bristlenose | (i: 8, k: 43) | |
| 27. | Orange Stripe Cory | (i: 14, k: 82) | |
| 28. | Orange Striped Squeaker | (i: 14, k: 62) | |
| 29. | Orange Tiger Pleco | (i: 7, k: 17) | |
| 30. | Orange-pattern Pleco | Hemiancistrus votouro | (i: 0, k: 1) |
| 31. | Orangefin Madtom | (i: 1, k: 1) | |
| 32. | Orangetailed Halffin Pleco | (i: 2, k: 2) | |
| 33. | Orca Cory | (i: 2, k: 1) | |
| 34. | Oregon Fossil Catfish | (i: 1, k: 1) | |
| 35. | Oremon Catfish | (i: 29, k: 8) | |
| 36. | Orinoco Angel Pleco | (i: 17, k: 414) | |
| 37. | Orinoco Bristlenose | (i: 1, k: 9) | |
| 38. | Orinoco Butterfly Pleco | (i: 49, k: 361) | |
| 39. | Orinoco Galaxy Pleco | (i: 24, k: 146) | |
| 40. | Orinoco Pinecone Pleco | (i: 2, k: 17) | |
| 41. | Orinoco Polka-dot Pleco | (i: 26, k: 165) | |
| 42. | Orinoco Sailfin Catfish | (i: 2, k: 13) | |
| 43. | Orinoco Talking Catfish | (i: 13, k: 29) | |
| 44. | Orinoco Tiger Pleco | (i: 1, k: 10) | |
| 45. | Orituco Harlequin Whiptail | (i: 5, k: 1) | |
| 46. | Ornate Bagrid | (i: 8, k: 27) | |
| 47. | Ornate Cory | Corydoras (lineage 8 sub-clade 4) sp. (C152) | (i: 0, k: 1) |
| 48. | Ornate Cory | (i: 3, k: 6) | |
| 49. | Ornate Halffin Pleco | Lasiancistrus sp. (L386) | (i: 0, k: 0) |
| 50. | Ornate Pimelodus | (i: 21, k: 31) | |
| 51. | Ornate Rubbernose | (i: 24, k: 9) | |
| 52. | Ornate Shadow Catfish | (i: 3, k: 9) | |
| 53. | Orocue Cory | (i: 3, k: 1) | |
| 54. | Oto | (i: 28, k: 271) | |
| 55. | Oto | (i: 3, k: 23) | |
| 56. | Oto | (i: 11, k: 83) | |
| 57. | Oto | (i: 5, k: 40) | |
| 58. | Otorongo Woodcat | (i: 14, k: 17) | |
| 59. | Ouachita Madtom | (i: 1, k: 1) | |
| 60. | Oyapok Hook Fin Pleco | (i: 1, k: 0) | |
| 61. | Ozark Madtom | (i: 1, k: 1) |
/siluriformes/plotosidae/porochilus/obbesi/1.jpg "Porochilus obbesi")
/siluriformes/mochokidae/synodontis/ocellifer/1.jpg "Synodontis ocellifer")
/siluriformes/auchenipteridae/asterophysus/batrachus/1.jpg "Asterophysus batrachus")
/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/corydoras(ln5)/sp%28cw019%29/1.jpg "Corydoras (lineage 5) sp. (Cw019)")
/siluriformes/pangasiidae/pangasius/larnaudii/1.jpg "Pangasius larnaudii")
/siluriformes/callichthyidae/corydoras(ln8sc4)/sp%28cw013%29/1.jpg "Corydoras (lineage 8 sub-clade 4) sp. (Cw013)")
/siluriformes/loricariidae/scobinancistrus/raonii/1.jpg "Scobinancistrus raonii")
/siluriformes/callichthyidae/corydoras(ln8sc4)/sp%28cw117%29/1.jpg "Corydoras (lineage 8 sub-clade 4) 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)")
/siluriformes/callichthyidae/corydoras(ln8sc4)/sp%28cw113%29/1.jpg "Corydoras (lineage 8 sub-clade 4) 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/corydoras(ln7)/sp%28cw014%29/1.jpg "Corydoras (lineage 7) sp. (Cw014)")
/siluriformes/mochokidae/synodontis/flavitaeniatus/1.jpg "Synodontis flavitaeniatus")
/siluriformes/loricariidae/peckoltia/wernekei/1.jpg "Peckoltia wernekei")
/siluriformes/ictaluridae/noturus/gilberti/1.jpg "Noturus gilberti")
/siluriformes/loricariidae/lasiancistrus/sp%28l479%29/1.jpg "Lasiancistrus sp. (L479)")
/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/claroteidae/chrysichthys/ornatus/1.jpg "Chrysichthys ornatus")
/siluriformes/callichthyidae/corydoras(ln8sc4)/ornatus/1.jpg "Corydoras (lineage 8 sub-clade 4) ornatus")
/siluriformes/pimelodidae/pimelodus/ornatus/1.jpg "Pimelodus ornatus")
/siluriformes/loricariidae/chaetostoma/sp%28l455%29/1.jpg "Chaetostoma sp. (L455)")
/siluriformes/bagridae/hyalobagrus/ornatus/1.jpg "Hyalobagrus ornatus")
/siluriformes/callichthyidae/corydoras(ln9)/esperanzae/1.jpg "Corydoras (lineage 9) esperanzae")
/siluriformes/loricariidae/otocinclus/vittatus/1.jpg "Otocinclus vittatus")
/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/auchenipteridae/spinipterus/moijiri/1.jpg "Spinipterus moijiri")
/siluriformes/ictaluridae/noturus/lachneri/1.jpg "Noturus lachneri")
/siluriformes/loricariidae/harttia/sp%28l053%29/1.jpg "Harttia sp. (L053)")
/siluriformes/ictaluridae/noturus/albater/1.jpg "Noturus albater")