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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
Filtered Least Concern ✕ Clear all
Betta Prima
Betta prima
Osphronemidae Least Concern
Beysehir dace
Squalius anatolicus
Cyprinidae Least Concern
Beysehir minnow
Pseudophoxinus battalgilae
Cyprinidae Least Concern
Biajaca
Nandopsis tetracanthus
Cichlidae Least Concern Edible
Biara
Rhaphiodon vulpinus
Cynodontidae Least Concern
Bicolor Bumblebee Catfish
Microglanis iheringi
Pseudopimelodidae Least Concern
Big Baikal oilfish
Comephorus baikalensis
Comephoridae Least Concern
Big Eye Pimelodella
Pimelodella megalops
Heptapteridae Least Concern
Big tailed lampeye
Lacustricola macrurus
Poeciliidae Least Concern
Big-scaled redfin
Pseudaspius hakonensis
Least Concern
Bigeye chub
Hybopsis amblops
Cyprinidae Least Concern
Bigeye cichlid
Acaronia nassa
Cichlidae Least Concern
Bigeye jumprock
Moxostoma ariommum
Catostomidae Least Concern
Bigeye shiner
Miniellus boops
Least Concern
Bigeye shiner
Notropis boops
Cyprinidae Least Concern
Bigeye squeaker
Synodontis alberti
Mochokidae Least Concern
Bighead goby
Ponticola kessleri
Gobiidae Least Concern Edible
Bighead sculpin
Batrachocottus baicalensis
Cottocomephoridae Least Concern
Bigmouth buffalo
Ictiobus cyprinellus
Catostomidae Least Concern
Bigmouth chub
Nocomis platyrhynchus
Cyprinidae Least Concern
Bigmouth shiner
Ericymba dorsalis
Least Concern
Bigmouth shiner
Notropis dorsalis
Cyprinidae Least Concern
Bigscale logperch
Percina macrolepida
Percidae Least Concern
Bigscale pellonuline
Microthrissa congica
Dorosomatidae Least Concern
Biharian barbel
Barbus biharicus
Cyprinidae Least Concern
Bijurqui
Heroina isonycterina
Cichlidae Least Concern
Bintuni goby
Stenogobius lachneri
Gobiidae Least Concern
Biotoecus Dicentrarchus
Biotoecus dicentrarchus
Cichlidae Least Concern
Birdi loach
Botia birdi
Botiidae Least Concern
Bishop toothcarp
Brachyrhaphis episcopi
Poeciliidae Least Concern
Bitschumbi lampeye
Lacustricola vitschumbaensis
Poeciliidae Least Concern
Bitterling
Rhodeus sericeus
Cyprinidae Least Concern
Bivibranchia Fowleri
Bivibranchia fowleri
Hemiodontidae Least Concern
Bivibranchia Notata
Bivibranchia notata
Hemiodontidae Least Concern
Bivibranchia Simulata
Bivibranchia simulata
Hemiodontidae Least Concern
Bivibranchia Velox
Bivibranchia velox
Hemiodontidae Least Concern
Biwa Sculpin
Cottus reinii
Cottidae Least Concern
Biwia Zezera
Biwia zezera
Gobionidae Least Concern
Black acara
Cichlasoma bimaculatum
Cichlidae Least Concern
Black arawana
Osteoglossum ferreirai
Osteoglossidae Least Concern
Black band catfish
Corydoras zygatus
Callichthyidae Least Concern Edible
Black band catfish
Osteogaster zygata
Least Concern Edible
Black buffalo
Ictiobus niger
Catostomidae Least Concern
Black bullhead
Ameiurus melas
Ictaluridae Least Concern Edible
Black carp
Mylopharyngodon piceus
Cyprinidae Least Concern
Black catfish
Trachycorystes trachycorystes
Auchenipteridae Least Concern
Black crappie
Pomoxis nigromaculatus
Centrarchidae Least Concern Edible
Black curbinata
Plagioscion auratus
Sciaenidae Least Concern Edible