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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
Rudd
Scardinius erythrophthalmus
Cyprinidae Least Concern
Rudolf lates
Lates longispinis
Latidae Data Deficient Edible
Ruf's enteromis
Enteromius ruforum
Cyprinidae
Ruffe
Gymnocephalus cernua
Percidae Least Concern
Rummy-nose tetra
Petitella rhodostoma
Edible
Rupununi Astyanax
Astyanax rupununi
Acestrorhamphidae Least Concern
Rush darter
Etheostoma phytophilum
Percidae Endangered
Russet darter
Percina versicolor
Percidae
Russetfin topminnow
Fundulus escambiae
Fundulidae Least Concern Edible
Russian bitterling
Acheilognathus asmussii
Cyprinidae Least Concern Edible
Russian river tule perch
Hysterocarpus traskii
Embiotocidae Least Concern
Rust corydoras
Corydoras rabauti
Callichthyidae Least Concern
Rust corydoras
Osteogaster rabauti
Least Concern
Rustyside sucker
Thoburnia hamiltoni
Catostomidae Near Threatened
Rutilus Heckelii
Rutilus heckelii
Cyprinidae Least Concern
Rutilus Kutum
Rutilus kutum
Cyprinidae
Rutilus Stoumboudae
Rutilus stoumboudae
Cyprinidae
Ruwenzori lampeye
Platypanchax modestus
Poeciliidae Least Concern
Rwandese carp
Labeobarbus platystomus
Cyprinidae Critically Endangered
Sabah Danio
Nematabramis everetti
Cyprinidae Least Concern
Sabaki tilapia
Oreochromis spilurus
Cichlidae Least Concern Edible
Sabalito
Steindachnerina biornata
Curimatidae Least Concern
sabalo
Brycon oligolepis
Bryconidae Least Concern
Sabanejewia Baltica
Sabanejewia baltica
Cobitidae Least Concern
Sabanejewia Bulgarica
Sabanejewia bulgarica
Cobitidae Least Concern
Sabanejewia Kubanica
Sabanejewia kubanica
Cobitidae Least Concern
Sabanejewia Romanica
Sabanejewia romanica
Cobitidae Vulnerable
Saberfin killie
Terranatos dolichopterus
Rivulidae Least Concern Edible
Sabine shiner
Notropis sabinae
Cyprinidae Least Concern
Sabine shiner
Miniellus sabinae
Least Concern
Sabretoothed thryssa
Lycothrissa crocodilus
Engraulidae Least Concern
Saccoderma Hastata
Saccoderma hastata
Characidae Least Concern
Saccoderma Melanostigma
Saccoderma melanostigma
Characidae Least Concern
Saccoderma Robusta
Saccoderma robusta
Characidae Least Concern
Saccodon Dariensis
Saccodon dariensis
Parodontidae Least Concern
Saccodon Terminalis
Saccodon terminalis
Parodontidae Data Deficient
Saccodon Wagneri
Saccodon wagneri
Parodontidae Least Concern
Sacramento blackfish
Orthodon microlepidotus
Cyprinidae Least Concern
Sacramento perch
Archoplites interruptus
Centrarchidae Endangered
Sacramento pikeminnow
Ptychocheilus grandis
Cyprinidae Least Concern
Sacramento sucker
Catostomus occidentalis
Catostomidae Least Concern
Saddle cichlid
Aequidens tetramerus
Cichlidae Least Concern
Saddle corydoras
Brochis ephippifer
Least Concern
Saddleback darter
Percina vigil
Percidae Least Concern
Saddled bichir
Polypterus endlicherii
Polypteridae Least Concern
Saddled galaxias
Galaxias tanycephalus
Galaxiidae Critically Endangered
Saddled madtom
Noturus fasciatus
Ictaluridae Endangered
Sadler's robber
Brachyalestes sadleri
Least Concern