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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
Maratecoara Gesmonei
Maratecoara gesmonei
Rivulidae
Least Concern
Maratecoara Lacortei
Maratecoara lacortei
Rivulidae
Least Concern
Maratecoara Splendida
Maratecoara splendida
Rivulidae
Vulnerable
Marathon minnow
Pelasgus marathonicus
Cyprinidae
Near Threatened
Maraval toothcarp
Poecilia boesemani
Poeciliidae
Data Deficient
Maravatío shiner
Aztecula marhabatiensis
Critically Endangered
Marble goby
Oxyeleotris marmorata
Eleotridae
Least Concern
Edible
Marble knifefish
Rhamphichthys marmoratus
Rhamphichthyidae
Marbled Darter
Etheostoma marmorpinnum
Percidae
Critically Endangered
Marbled freshwater whip ray
Himantura krempfi
Dasyatidae
Marbled hatchetfish
Carnegiella strigata
Gasteropelecidae
Least Concern
Edible
Marbled headstander
Abramites hypselonotus
Anostomidae
Least Concern
Marbled lungfish
Protopterus aethiopicus
Protopteridae
Least Concern
Marbled lyretail
Fundulopanchax marmoratus
Nothobranchiidae
Endangered
Edible
Marbled Madagascar cichlid
Ptychochromoides vondrozo
Cichlidae
Endangered
Marbled mountain catfish
Amphilius jacksonii
Amphiliidae
Least Concern
Marbled pearlfish
Leptolebias marmoratus
Rivulidae
Critically Endangered
Marbled sculpin
Cottus klamathensis
Cottidae
Least Concern
Marbled swamp eel
Synbranchus marmoratus
Synbranchidae
Least Concern
Edible
Marbled swordtail
Xiphophorus meyeri
Poeciliidae
EW
Edible
Marbled whipray
Fluvitrygon oxyrhynchus
Dasyatidae
Endangered
Marcellino toothcarp
Poecilia marcellinoi
Poeciliidae
Data Deficient
Marcusenius Abadii
Marcusenius abadii
Mormyridae
Least Concern
Marcusenius Altisambesi
Marcusenius altisambesi
Mormyridae
Least Concern
Marcusenius Angolensis
Marcusenius angolensis
Mormyridae
Least Concern
Marcusenius Annamariae
Marcusenius annamariae
Mormyridae
Marcusenius Bentleyi
Marcusenius bentleyi
Mormyridae
Data Deficient
Marcusenius Caudisquamatus
Marcusenius caudisquamatus
Mormyridae
Endangered
Marcusenius Cuangoanus
Marcusenius cuangoanus
Mormyridae
Vulnerable
Marcusenius Deboensis
Marcusenius deboensis
Mormyridae
Data Deficient
Marcusenius Desertus
Marcusenius desertus
Mormyridae
Marcusenius Devosi
Marcusenius devosi
Mormyridae
Near Threatened
Marcusenius Dundoensis
Marcusenius dundoensis
Mormyridae
Data Deficient
Marcusenius Elegans
Marcusenius elegans
Mormyridae
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 Intermedius
Marcusenius intermedius
Mormyridae
Data Deficient
Marcusenius Kainjii
Marcusenius kainjii
Mormyridae
Marcusenius Kaninginii
Marcusenius kaninginii
Mormyridae
Marcusenius Krameri
Marcusenius krameri
Mormyridae
Least Concern
Marcusenius Kutuensis
Marcusenius kutuensis
Mormyridae
Least Concern
Marcusenius Lambouri
Marcusenius lambouri
Mormyridae
Marcusenius Leopoldianus
Marcusenius leopoldianus
Mormyridae
Least Concern
Marcusenius Livingstonii
Marcusenius livingstonii
Mormyridae
Least Concern
Edible
Marcusenius Lucombesi
Marcusenius lucombesi
Mormyridae