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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
Rhodeus Cyanorostris
Rhodeus cyanorostris
Cyprinidae
Critically Endangered
Río Salado darter
Etheostoma segrex
Percidae
Critically Endangered
Rivas's limia
Limia rivasi
Poeciliidae
Critically Endangered
Robert's river garfish
Zenarchopterus robertsi
Zenarchopteridae
Critically Endangered
Royal Splitfin
Allotoca regalis
Goodeidae
Critically Endangered
Rwandese carp
Labeobarbus platystomus
Cyprinidae
Critically Endangered
Saddled galaxias
Galaxias tanycephalus
Galaxiidae
Critically Endangered
Sahara aphanius
Apricaphanius saourensis
Critically Endangered
Salmo Balcanicus
Salmo balcanicus
Salmonidae
Critically Endangered
Salmo Cettii
Salmo cettii
Salmonidae
Critically Endangered
Edible
Salmo Ezenami
Salmo ezenami
Salmonidae
Critically Endangered
Samanti loach
Oxynoemacheilus seyhanensis
Nemacheilidae
Critically Endangered
Sarasins minnow
Oryzias sarasinorum
Adrianichthyidae
Critically Endangered
Sarotherodon Lamprechti
Sarotherodon lamprechti
Cichlidae
Critically Endangered
Sashatherina Gigantea
Sashatherina gigantea
Critically Endangered
Scaphognathops Theunensis
Scaphognathops theunensis
Cyprinidae
Critically Endangered
Scardinius Scardafa
Scardinius scardafa
Cyprinidae
Critically Endangered
Schistura Leukensis
Schistura leukensis
Nemacheilidae
Critically Endangered
Schistura Nasifilis
Schistura nasifilis
Nemacheilidae
Critically Endangered
Schistura Papulifera
Schistura papulifera
Nemacheilidae
Critically Endangered
Schistura Scripta
Schistura scripta
Nemacheilidae
Critically Endangered
Schistura Spiloptera
Schistura spiloptera
Nemacheilidae
Critically Endangered
Schistura Tenura
Schistura tenura
Nemacheilidae
Critically Endangered
Schizothorax Biddulphi
Schizothorax biddulphi
Cyprinidae
Critically Endangered
Edible
Schizothorax Grahami
Schizothorax grahami
Cyprinidae
Critically Endangered
Schizothorax Integrilabiatus
Schizothorax integrilabiatus
Cyprinidae
Critically Endangered
Schizothorax Labrosus
Schizothorax labrosus
Cyprinidae
Critically Endangered
Schizothorax Lepidothorax
Schizothorax lepidothorax
Cyprinidae
Critically Endangered
Schizothorax Longibarbus
Schizothorax longibarbus
Cyprinidae
Critically Endangered
Schizothorax Microstomus
Schizothorax microstomus
Cyprinidae
Critically Endangered
Schizothorax Nepalensis
Schizothorax nepalensis
Cyprinidae
Critically Endangered
Schizothorax Ninglangensis
Schizothorax ninglangensis
Cyprinidae
Critically Endangered
Scowling silverside
Chirostoma aculeatum
Atherinopsidae
Critically Endangered
Scriptaphyosemion Etzeli
Scriptaphyosemion etzeli
Nothobranchiidae
Critically Endangered
Scriptaphyosemion Schmitti
Scriptaphyosemion schmitti
Nothobranchiidae
Critically Endangered
Sentani rainbowfish
Chilatherina sentaniensis
Melanotaeniidae
Critically Endangered
Serrasalmus Nalseni
Serrasalmus nalseni
Serrasalmidae
Critically Endangered
Sevan trout
Salmo ischchan
Salmonidae
Critically Endangered
Edible
Sewellia Albisuera
Sewellia albisuera
Balitoridae
Critically Endangered
Shaw Galaxias
Galaxias gunaikurnai
Galaxiidae
Critically Endangered
Shirvan roachling
Pseudophoxinus atropatenus
Cyprinidae
Critically Endangered
Short-tail Galaxias
Galaxias brevissimus
Galaxiidae
Critically Endangered
Shortnose cisco
Coregonus reighardi
Salmonidae
Critically Endangered
Siamese tiger perch
Datnioides pulcher
Datnioididae
Critically Endangered
Siberian sturgeon
Acipenser baerii
Acipenseridae
Critically Endangered
Sierra leone dwarf characin
Ladigesia roloffi
Alestidae
Critically Endangered
Edible
Simav loach
Oxynoemacheilus simavicus
Nemacheilidae
Critically Endangered
Sinocyclocheilus Luopingensis
Sinocyclocheilus luopingensis
Cyprinidae
Critically Endangered