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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
Blackstripe pirate perch
Aphredoderus ornatus
Aphredoderidae
Blackstripe topminnow
Fundulus notatus
Fundulidae
Least Concern
Edible
Blackstriped dwarf cichlid
Apistogramma gibbiceps
Cichlidae
Least Concern
Blackstriped dwarf galaxias
Galaxiella nigrostriata
Galaxiidae
Endangered
Blacktail Brycon
Brycon falcatus
Bryconidae
Least Concern
Edible
Blacktail redhorse
Moxostoma poecilurum
Catostomidae
Least Concern
Blacktail shiner
Cyprinella venusta
Cyprinidae
Least Concern
Blackthroat cichlid
Astatheros macracanthus
Cichlidae
Least Concern
Edible
Blacktip jumprock
Moxostoma cervinum
Catostomidae
Least Concern
Blacktip shiner
Lythrurus atrapiculus
Cyprinidae
Least Concern
Blacktop corydoras
Corydoras acutus
Callichthyidae
Least Concern
Blackwater cory
Brochis crimmeni
Data Deficient
Blackwing hatchetfish
Carnegiella marthae
Gasteropelecidae
Least Concern
Edible
Blaufelchen
Coregonus wartmanni
Salmonidae
Endangered
Edible
Blazed cory
Scleromystax virgulatus
Callichthyidae
Least Concern
Bleeding shiner
Luxilus zonatus
Cyprinidae
Least Concern
Bleeding-heart tetra
Megalamphodus erythrostigma
Least Concern
Bleher's rainbowfish
Chilatherina bleheri
Melanotaeniidae
Endangered
Edible
Bleher’s Blue-Eye
Kiunga bleheri
Pseudomugilidae
Critically Endangered
Bleheratherina Pierucciae
Bleheratherina pierucciae
Data Deficient
Blenny darter
Etheostoma blennius
Percidae
Least Concern
Blind catfish
Pimelodella kronei
Heptapteridae
Endangered
Blind cave eel
Ophisternon candidum
Synbranchidae
Endangered
Blind Cave Fish
Astyanax jordani
Acestrorhamphidae
Endangered
Blind cave loach
Nemacheilus troglocataractus
Nemacheilidae
Critically Endangered
Edible
Blind loach
Eidinemacheilus smithi
Vulnerable
Blind spiny eel
Mastacembelus brichardi
Mastacembelidae
Least Concern
Edible
Blind swamp eel
Ophisternon infernale
Synbranchidae
Endangered
Blind tetra
Stygichthys typhlops
Endangered
Blind whiskered catfish
Rhamdia reddelli
Heptapteridae
Critically Endangered
Bloater
Coregonus hoyi
Salmonidae
Least Concern
Bloch razorbelly minnow
Salmostoma balookee
Cyprinidae
Least Concern
Blood Betta
Betta livida
Osphronemidae
Endangered
Blood Red Tetra
Brittanichthys axelrodi
Acestrorhamphidae
Least Concern
Blood-finned Madagascar cichlid
Paretroplus nourissati
Cichlidae
Endangered
Bloodfin darter
Nothonotus sanguifluus
Least Concern
Bloodfin tetra
Aphyocharax anisitsi
Characidae
Least Concern
Bloodfinned dwarf cichlid
Apistogramma wolli
Cichlidae
Bloodgill dwarf cichlid
Apistogramma acrensis
Cichlidae
Least Concern
Blotched catfish
Clarias stappersii
Clariidae
Least Concern
Blotched chub
Erimystax insignis
Cyprinidae
Least Concern
Blotched filamented barb
Dawkinsia srilankensis
Cyprinidae
Endangered
Blotched gambusia
Gambusia senilis
Poeciliidae
Near Threatened
Blotched limia
Limia fuscomaculata
Poeciliidae
Critically Endangered
Blotched Madagascar cichlid
Ptychochromis loisellei
Cichlidae
Endangered
Blotched mogurnda
Mogurnda spilota
Eleotridae
Critically Endangered
Blotched sand catlet
Zaireichthys conspicuus
Amphiliidae
Blotched snakehead
Channa maculata
Channidae
Least Concern
Edible