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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
Malapterurus Leonensis
Malapterurus leonensis
Malapteruridae
Data Deficient
Malayan flying barb
Esomus malayensis
Cyprinidae
Data Deficient
Edible
Malebo Puffer
Tetraodon duboisi
Tetraodontidae
Data Deficient
Mancuernas silverside
Atherinella pellosemeion
Atherinopsidae
Data Deficient
Mandarin Pleco
Hypostomus asperatus
Loricariidae
Data Deficient
Maraval toothcarp
Poecilia boesemani
Poeciliidae
Data Deficient
Marcellino toothcarp
Poecilia marcellinoi
Poeciliidae
Data Deficient
Marcusenius Bentleyi
Marcusenius bentleyi
Mormyridae
Data Deficient
Marcusenius Deboensis
Marcusenius deboensis
Mormyridae
Data Deficient
Marcusenius Dundoensis
Marcusenius dundoensis
Mormyridae
Data Deficient
Marcusenius Intermedius
Marcusenius intermedius
Mormyridae
Data Deficient
Marcusenius Macrophthalmus
Marcusenius macrophthalmus
Mormyridae
Data Deficient
Marcusenius Rheni
Marcusenius rheni
Mormyridae
Data Deficient
Maria's tandan
Oloplotosus mariae
Plotosidae
Data Deficient
Mario's cory
Brochis pinheiroi
Data Deficient
Marmore cory
Gastrodermus mamore
Data Deficient
Martens’s freshwater pipefish
Doryichthys martensii
Data Deficient
Mastacembelus Ansorgii
Mastacembelus ansorgii
Mastacembelidae
Data Deficient
Mastacembelus Pantherinus
Mastacembelus pantherinus
Mastacembelidae
Data Deficient
Mastacembelus Shiloangoensis
Mastacembelus shiloangoensis
Mastacembelidae
Data Deficient
Mastacembelus Thacbaensis
Mastacembelus thacbaensis
Mastacembelidae
Data Deficient
Mastacembelus Undulatus
Mastacembelus undulatus
Mastacembelidae
Data Deficient
Maya gambusia
Gambusia echeagarayi
Poeciliidae
Data Deficient
Meander cory
Brochis noelkempffi
Data Deficient
Meander cory
Corydoras noelkempffi
Callichthyidae
Data Deficient
Megalonema Pauciradiatum
Megalonema pauciradiatum
Pimelodidae
Data Deficient
Mekong flying barb
Esomus longimanus
Cyprinidae
Data Deficient
Edible
Mekongina Bibarba
Mekongina bibarba
Data Deficient
Mekongina Lancangensis
Mekongina lancangensis
Data Deficient
Melanocharacidium Compressum
Melanocharacidium compressum
Crenuchidae
Data Deficient
Melanocharacidium Melanopteron
Melanocharacidium melanopteron
Crenuchidae
Data Deficient
Melanorivulus Bororo
Melanorivulus bororo
Rivulidae
Data Deficient
Melanorivulus Cyanopterus
Melanorivulus cyanopterus
Rivulidae
Data Deficient
Melanorivulus Dapazi
Melanorivulus dapazi
Rivulidae
Data Deficient
Melanorivulus Faucireticulatus
Melanorivulus faucireticulatus
Rivulidae
Data Deficient
Melanorivulus Leali
Melanorivulus leali
Rivulidae
Data Deficient
Melanorivulus Paresi
Melanorivulus paresi
Rivulidae
Data Deficient
Melanorivulus Parnaibensis
Melanorivulus parnaibensis
Rivulidae
Data Deficient
Melanorivulus Pindorama
Melanorivulus pindorama
Rivulidae
Data Deficient
Melanorivulus Planaltinus
Melanorivulus planaltinus
Rivulidae
Data Deficient
Melanorivulus Rossoi
Melanorivulus rossoi
Rivulidae
Data Deficient
Mele's stiphodon
Stiphodon mele
Gobiidae
Data Deficient
Membras Argentea
Membras argentea
Atherinopsidae
Data Deficient
Merauke tandan
Porochilus meraukensis
Plotosidae
Data Deficient
Mesopristes Iravi
Mesopristes iravi
Terapontidae
Data Deficient
Metynnis Orinocensis
Metynnis orinocensis
Serrasalmidae
Data Deficient
Metzia Alba
Metzia alba
Cyprinidae
Data Deficient
Metzia Hautus
Metzia hautus
Cyprinidae
Data Deficient