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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
Manduba
Ageneiosus inermis
Auchenipteridae Least Concern Edible
Mandubé
Ageneiosus militaris
Auchenipteridae Least Concern
Mango tilapia
Sarotherodon galilaeus
Cichlidae Least Concern Edible
Mangrove gambusia
Gambusia rhizophorae
Poeciliidae Least Concern
Mangrove molly
Poecilia orri
Poeciliidae Least Concern Edible
Mangrove rivulus
Kryptolebias marmoratus
Rivulidae Least Concern Edible
Many spotted cory
Hoplisoma multimaculatum
Least Concern
Many spotted cory
Corydoras multimaculatus
Callichthyidae Least Concern
Manyas spirlin
Alburnoides manyasensis
Cyprinidae Least Concern
Manyspined ctenopoma
Ctenopoma multispine
Anabantidae Least Concern Edible
Map cory
Scleromystax salmacis
Callichthyidae Least Concern
Maparate
Hypophthalmus marginatus
Pimelodidae Least Concern
Maratecoara Gesmonei
Maratecoara gesmonei
Rivulidae Least Concern
Maratecoara Lacortei
Maratecoara lacortei
Rivulidae Least Concern
Marble goby
Oxyeleotris marmorata
Eleotridae Least Concern Edible
Marbled hatchetfish
Carnegiella strigata
Gasteropelecidae Least Concern Edible
Marbled headstander
Abramites hypselonotus
Anostomidae Least Concern
Marbled lungfish
Protopterus aethiopicus
Protopteridae Least Concern
Marbled mountain catfish
Amphilius jacksonii
Amphiliidae Least Concern
Marbled sculpin
Cottus klamathensis
Cottidae Least Concern
Marbled swamp eel
Synbranchus marmoratus
Synbranchidae Least Concern Edible
Marcusenius Abadii
Marcusenius abadii
Mormyridae Least Concern
Marcusenius Altisambesi
Marcusenius altisambesi
Mormyridae Least Concern
Marcusenius Angolensis
Marcusenius angolensis
Mormyridae Least Concern
Marcusenius Friteli
Marcusenius friteli
Mormyridae Least Concern
Marcusenius Furcidens
Marcusenius furcidens
Mormyridae Least Concern
Marcusenius Fuscus
Marcusenius fuscus
Mormyridae Least Concern
Marcusenius Ghesquierei
Marcusenius ghesquierei
Mormyridae Least Concern
Marcusenius Greshoffii
Marcusenius greshoffii
Mormyridae Least Concern
Marcusenius Krameri
Marcusenius krameri
Mormyridae Least Concern
Marcusenius Kutuensis
Marcusenius kutuensis
Mormyridae Least Concern
Marcusenius Leopoldianus
Marcusenius leopoldianus
Mormyridae Least Concern
Marcusenius Livingstonii
Marcusenius livingstonii
Mormyridae Least Concern Edible
Marcusenius Mento
Marcusenius mento
Mormyridae Least Concern
Marcusenius Moorii
Marcusenius moorii
Mormyridae Least Concern
Marcusenius Pongolensis
Marcusenius pongolensis
Mormyridae Least Concern
Marcusenius Schilthuisiae
Marcusenius schilthuisiae
Mormyridae Least Concern
Marcusenius Stanleyanus
Marcusenius stanleyanus
Mormyridae Least Concern
Marcusenius Thomasi
Marcusenius thomasi
Mormyridae Least Concern
Marcusenius Ussheri
Marcusenius ussheri
Mormyridae Least Concern
Margay pencil catfish
Trichomycterus maracaya
Trichomycteridae Least Concern
Margined madtom
Noturus insignis
Ictaluridae Least Concern
Marjorie's hardyhead
Craterocephalus marjoriae
Atherinidae Least Concern
Markiana Nigripinnis
Markiana nigripinnis
Stevardiidae Least Concern
Marmara barbel
Barbus oligolepis
Cyprinidae Least Concern
Maroni eartheater
Geophagus harreri
Cichlidae Least Concern Edible
Maroni Jupiaba
Jupiaba maroniensis
Acestrorhamphidae Least Concern
Marrero's tube-snouted ghost knifefish
Sternarchorhynchus marreroi
Apteronotidae Least Concern