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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
Betta Breviobesa
Betta breviobesa
Osphronemidae
Vulnerable
Betta Dennisyongi
Betta dennisyongi
Osphronemidae
Vulnerable
Betta Dimidiata
Betta dimidiata
Osphronemidae
Vulnerable
Betta Ibanorum
Betta ibanorum
Osphronemidae
Vulnerable
Betta Lehi
Betta lehi
Osphronemidae
Vulnerable
Betta Midas
Betta midas
Osphronemidae
Vulnerable
Betta Uberis
Betta uberis
Osphronemidae
Vulnerable
Beyşehir gudgeon
Gobio microlepidotus
Gobionidae
Vulnerable
Big Bend gambusia
Gambusia gaigei
Poeciliidae
Vulnerable
Bigtooth river stingray
Potamotrygon henlei
Potamotrygonidae
Vulnerable
Bihunichthys Monopteroides
Bihunichthys monopteroides
Chaudhuriidae
Vulnerable
Black Devil
Amphilophus sagittae
Cichlidae
Vulnerable
Black Diamond Madagascar cichlid
Paratilapia polleni
Cichlidae
Vulnerable
Edible
Black lined barb
Systomus pleurotaenia
Cyprinidae
Vulnerable
Black ruby barb
Pethia nigrofasciata
Cyprinidae
Vulnerable
Black shinner
Pseudopungtungia nigra
Vulnerable
Black-Lined Loach
Ambastaia nigrolineata
Botiidae
Vulnerable
Blackfin pupfish
Cyprinodon beltrani
Cyprinodontidae
Vulnerable
Blackmouth shiner
Miniellus melanostomus
Vulnerable
Blackspotted toothcarp
Phallichthys tico
Poeciliidae
Vulnerable
Blind loach
Eidinemacheilus smithi
Vulnerable
Blotchside darter
Percina burtoni
Percidae
Vulnerable
Blue panaque
Baryancistrus beggini
Loricariidae
Vulnerable
Blue rainbowfish
Melanotaenia caerulea
Melanotaeniidae
Vulnerable
Blue Spot Betta
Betta brownorum
Osphronemidae
Vulnerable
Blue Victoria mouthbrooder
Haplochromis nubilus
Cichlidae
Vulnerable
Bluebarred pygmy sunfish
Elassoma okatie
Elassomatidae
Vulnerable
Bluenose shiner
Pteronotropis welaka
Cyprinidae
Vulnerable
Bluestripe darter
Percina cymatotaenia
Percidae
Vulnerable
Boji Plains nothobranch
Nothobranchius bojiensis
Nothobranchiidae
Vulnerable
Bombay swampeel
Ophichthys indicus
Vulnerable
Borax Lake chub
Siphateles boraxobius
Cyprinidae
Vulnerable
Boulder darter
Etheostoma wapiti
Percidae
Vulnerable
Brachyhypopomus Belindae
Brachyhypopomus belindae
Hypopomidae
Vulnerable
Brichard's Synodontis
Synodontis brichardi
Mochokidae
Vulnerable
Broadstripe topminnow
Fundulus euryzonus
Fundulidae
Vulnerable
Edible
Brown leaf catfish
Silurichthys ligneolus
Siluridae
Vulnerable
Bruening's killi
Scriptaphyosemion brueningi
Nothobranchiidae
Vulnerable
Edible
Brycon Fowleri
Brycon fowleri
Bryconidae
Vulnerable
Brycon Obscurus
Brycon obscurus
Bryconidae
Vulnerable
Brycon Opalinus
Brycon opalinus
Bryconidae
Vulnerable
Bryconamericus Lassorum
Bryconamericus lassorum
Stevardiidae
Vulnerable
Bryconamericus Motatanensis
Bryconamericus motatanensis
Stevardiidae
Vulnerable
Bryconamericus Sylvicola
Bryconamericus sylvicola
Stevardiidae
Vulnerable
Bryconamericus Tolimae
Bryconamericus tolimae
Stevardiidae
Vulnerable
Bujurquina Oenolaemus
Bujurquina oenolaemus
Cichlidae
Vulnerable
Bulatmai barbel
Luciobarbus capito
Cyprinidae
Vulnerable
Bull trout
Salvelinus confluentus
Salmonidae
Vulnerable
Edible