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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
Ludong hillstream loach
Balitora ludongensis
Balitoridae
Near Threatened
Magdalena river stingray
Potamotrygon magdalenae
Potamotrygonidae
Near Threatened
Magmatail Tetra
Hyphessobrycon ecuadoriensis
Acestrorhamphidae
Near Threatened
Makira Rainbowfish
Bedotia alveyi
Bedotiidae
Near Threatened
Marathon minnow
Pelasgus marathonicus
Cyprinidae
Near Threatened
Marcusenius Devosi
Marcusenius devosi
Mormyridae
Near Threatened
Margined sculpin
Cottus marginatus
Cottidae
Near Threatened
Marico barb
Enteromius motebensis
Cyprinidae
Near Threatened
Edible
Marmorated medaka
Oryzias marmoratus
Adrianichthyidae
Near Threatened
Edible
Mastacembelus Sexdecimspinus
Mastacembelus sexdecimspinus
Mastacembelidae
Near Threatened
Mastacembelus Taiaensis
Mastacembelus taiaensis
Mastacembelidae
Near Threatened
Matano medaka
Oryzias matanensis
Adrianichthyidae
Near Threatened
Edible
Matilebias Juanlangi
Matilebias juanlangi
Near Threatened
Maylandia Benetos
Maylandia benetos
Cichlidae
Near Threatened
Maylandia Chrysomallos
Maylandia chrysomallos
Cichlidae
Near Threatened
Maylandia Glaucos
Maylandia glaucos
Cichlidae
Near Threatened
Maylandia Lundoensis
Maylandia lundoensis
Cichlidae
Near Threatened
Maylandia Midomo
Maylandia midomo
Cichlidae
Near Threatened
Mazarunia Mazarunii
Mazarunia mazarunii
Near Threatened
Mchenga Cyclicos
Mchenga cyclicos
Cichlidae
Near Threatened
Mediterranean barbel
Barbus meridionalis
Cyprinidae
Near Threatened
Mekongina Erythrospila
Mekongina erythrospila
Near Threatened
Melanochromis Mossambiquensis
Melanochromis mossambiquensis
Cichlidae
Near Threatened
Melanochromis Robustus
Melanochromis robustus
Cichlidae
Near Threatened
Melanochromis Wochepa
Melanochromis wochepa
Cichlidae
Near Threatened
Melanorivulus Violaceus
Melanorivulus violaceus
Rivulidae
Near Threatened
Melanorivulus Wallacei
Melanorivulus wallacei
Rivulidae
Near Threatened
Metzia Longinasus
Metzia longinasus
Cyprinidae
Near Threatened
Mexican blind brotula
Typhliasina pearsei
Dinematichthyidae
Near Threatened
Mexican golden trout
Oncorhynchus chrysogaster
Salmonidae
Near Threatened
Microcambeva Barbata
Microcambeva barbata
Near Threatened
Microcambeva Draco
Microcambeva draco
Near Threatened
Microglanis Malabarbai
Microglanis malabarbai
Pseudopimelodidae
Near Threatened
Microlepidogaster Negomata
Microlepidogaster negomata
Near Threatened
Mimagoniates Lateralis
Mimagoniates lateralis
Stevardiidae
Near Threatened
Mindanao rasbora
Rasbora philippina
Cyprinidae
Near Threatened
Edible
Modoc sucker
Catostomus microps
Catostomidae
Near Threatened
Moenkhausia Margitae
Moenkhausia margitae
Acestrorhamphidae
Near Threatened
Mogurnda Arguni
Mogurnda arguni
Eleotridae
Near Threatened
Mogurnda Magna
Mogurnda magna
Eleotridae
Near Threatened
Mormyrus Niloticus
Mormyrus niloticus
Mormyridae
Near Threatened
Mountain chub
Algansea monticola
Near Threatened
Mountain rainbowfish
Melanotaenia monticola
Melanotaeniidae
Near Threatened
Edible
Mountain stream sardine
Hemibrycon taeniurus
Stevardiidae
Near Threatened
Mud carp
Cirrhinus molitorella
Cyprinidae
Near Threatened
Edible
Mugilogobius Hitam
Mugilogobius hitam
Gobiidae
Near Threatened
Mugilogobius Lepidotus
Mugilogobius lepidotus
Gobiidae
Near Threatened
Mugilogobius Rexi
Mugilogobius rexi
Gobiidae
Near Threatened