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Freshwater Fish Species
All freshwater fish species found in rivers, lakes, streams, and ponds worldwide. From tiny tetras to the giant arapaima — covering every continent.
18,067
Total Species
1,926
Endangered (EN+CR)
1,910
Edible Species
204
Families
Opsarius Bakeri
Opsarius bakeri
Cyprinidae
Least Concern
Opsarius Barnoides
Opsarius barnoides
Cyprinidae
Least Concern
Opsarius Bendelisis
Opsarius bendelisis
Cyprinidae
Least Concern
Edible
Opsarius Bernatziki
Opsarius bernatziki
Cyprinidae
Least Concern
Opsarius Gatensis
Opsarius gatensis
Cyprinidae
Least Concern
Opsarius Ornatus
Opsarius ornatus
Cyprinidae
Least Concern
Opsarius Pulchellus
Opsarius pulchellus
Cyprinidae
Least Concern
Opsarius Shacra
Opsarius shacra
Cyprinidae
Least Concern
Opsarius Tileo
Opsarius tileo
Cyprinidae
Least Concern
Edible
Orange chromide
Pseudetroplus maculatus
Least Concern
Edible
Orange finned toothcarp
Priapichthys annectens
Poeciliidae
Least Concern
Orange river mudfish
Labeo capensis
Cyprinidae
Least Concern
Orange snakehead
Channa marulioides
Channidae
Least Concern
Orangebelly darter
Etheostoma radiosum
Percidae
Least Concern
Orangefin barb
Enteromius eutaenia
Cyprinidae
Least Concern
Edible
Orangefin darter
Etheostoma bellum
Percidae
Least Concern
Orangefin labeo
Labeo calbasu
Cyprinidae
Least Concern
Edible
Orangefin shiner
Miniellus ammophilus
Least Concern
Orangefin tetra
Bryconops affinis
Iguanodectidae
Least Concern
Edible
Orangespotted sunfish
Lepomis humilis
Centrarchidae
Least Concern
Edible
Orangestriped squeaker
Synodontis flavitaeniatus
Mochokidae
Least Concern
Orangethroat darter
Etheostoma spectabile
Percidae
Least Concern
Orchid leather neck whiptail
Brochiloricaria chauliodon
Loricariidae
Least Concern
Oregon chub
Oregonichthys crameri
Cyprinidae
Least Concern
Oreichthys Cosuatis
Oreichthys cosuatis
Least Concern
Oreichthys Duospilus
Oreichthys duospilus
Least Concern
Oreochromis Angolensis
Oreochromis angolensis
Cichlidae
Least Concern
Oreochromis Mweruensis
Oreochromis mweruensis
Cichlidae
Least Concern
Oreochromis Upembae
Oreochromis upembae
Cichlidae
Least Concern
Oreoglanis Hypsiura
Oreoglanis hypsiura
Sisoridae
Least Concern
Oreoglanis Infulata
Oreoglanis infulata
Sisoridae
Least Concern
Oreoglanis Macroptera
Oreoglanis macroptera
Sisoridae
Least Concern
Oreonectes Donglanensis
Oreonectes donglanensis
Nemacheilidae
Least Concern
Oreonectes Guananensis
Oreonectes guananensis
Nemacheilidae
Least Concern
Oreonectes Retrodorsalis
Oreonectes retrodorsalis
Nemacheilidae
Least Concern
Orestias Jussiei
Orestias jussiei
Cyprinodontidae
Least Concern
Orinoco Banjo
Bunocephalus aleuropsis
Aspredinidae
Least Concern
Orinoco eartheater
Biotodoma wavrini
Cichlidae
Least Concern
Orinoco Headstander
Caenotropus mestomorgmatos
Chilodidae
Least Concern
Orinoco Needlefish
Pseudotylosurus microps
Belonidae
Least Concern
Orinoco sailfin catfish
Pterygoplichthys multiradiatus
Loricariidae
Least Concern
Orinocodoras Eigenmanni
Orinocodoras eigenmanni
Doradidae
Least Concern
Orissa razorbelly minnow
Salmostoma orissaense
Cyprinidae
Least Concern
Ornate bagrid
Chrysichthys ornatus
Bagridae
Least Concern
Edible
Ornate bichir
Polypterus ornatipinnis
Polypteridae
Least Concern
Ornate cory
Brochis ornatus
Least Concern
Edible
Ornate cory
Corydoras ornatus
Callichthyidae
Least Concern
Edible
Ornate ctenopoma
Microctenopoma ansorgii
Anabantidae
Least Concern