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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
Maylandia Flavicauda
Maylandia flavicauda
Cichlidae
Vulnerable
Mazarunia Charadrica
Mazarunia charadrica
Vulnerable
Mbam killi
Aphyosemion dargei
Nothobranchiidae
Vulnerable
Mbozi suckermouth
Chiloglanis mbozi
Mochokidae
Vulnerable
Megadontognathus Kaitukaensis
Megadontognathus kaitukaensis
Apteronotidae
Vulnerable
Megaleporinus Muyscorum
Megaleporinus muyscorum
Vulnerable
Megalobrama Pellegrini
Megalobrama pellegrini
Cyprinidae
Vulnerable
Mekong tiger perch
Datnioides undecimradiatus
Datnioididae
Vulnerable
Melanorivulus Crixas
Melanorivulus crixas
Rivulidae
Vulnerable
Melanorivulus Illuminatus
Melanorivulus illuminatus
Rivulidae
Vulnerable
Melanorivulus Karaja
Melanorivulus karaja
Rivulidae
Vulnerable
Melanorivulus Kayapo
Melanorivulus kayapo
Rivulidae
Vulnerable
Melanorivulus Kunzei
Melanorivulus kunzei
Rivulidae
Vulnerable
Melanorivulus Rubromarginatus
Melanorivulus rubromarginatus
Rivulidae
Vulnerable
Melanorivulus Rutilicaudus
Melanorivulus rutilicaudus
Rivulidae
Vulnerable
Melanorivulus Salmonicaudus
Melanorivulus salmonicaudus
Rivulidae
Vulnerable
Melanorivulus Ubirajarai
Melanorivulus ubirajarai
Rivulidae
Vulnerable
Menderes nase
Chondrostoma meandrense
Cyprinidae
Vulnerable
Mesonoemacheilus Pambarensis
Mesonoemacheilus pambarensis
Vulnerable
Mesopotamichthys Sharpeyi
Mesopotamichthys sharpeyi
Vulnerable
Messinkitilapia
Sarotherodon tournieri
Cichlidae
Vulnerable
Metallic Bitterling
Acheilognathus typus
Cyprinidae
Vulnerable
Mexican blindcat
Prietella phreatophila
Ictaluridae
Vulnerable
Mexican clingfish
Gobiesox mexicanus
Gobiesocidae
Vulnerable
Microglanis Nigrolineatus
Microglanis nigrolineatus
Pseudopimelodidae
Vulnerable
Miller Lake lamprey
Entosphenus minimus
Petromyzontidae
Vulnerable
Mirina Molly
Poecilia dauli
Poeciliidae
Vulnerable
Mississippi paddlefish
Polyodon spathula
Polyodontidae
Vulnerable
Edible
Mitchell gudgeon
Hypseleotris hutchinsi
Eleotridae
Vulnerable
Mixobrycon Ribeiroi
Mixobrycon ribeiroi
Vulnerable
Mnanzini nothobranch
Nothobranchius willerti
Nothobranchiidae
Vulnerable
Edible
Mojarra
Isthmoheros tuyrensis
Cichlidae
Vulnerable
Mormyrus Macrocephalus
Mormyrus macrocephalus
Mormyridae
Vulnerable
Moswaren rainbowfish
Melanotaenia multiradiata
Melanotaeniidae
Vulnerable
Mountain clingfish
Gobiesox fluviatilis
Gobiesocidae
Vulnerable
Mozambique tilapia
Oreochromis mossambicus
Cichlidae
Vulnerable
Mrigal carp
Cirrhinus cirrhosus
Cyprinidae
Vulnerable
Mt. Nimba lampeye
Rhexipanchax nimbaensis
Poeciliidae
Vulnerable
Mudminnow
Umbra krameri
Umbridae
Vulnerable
Mustura Prashadi
Mustura prashadi
Vulnerable
Myersglanis Jayarami
Myersglanis jayarami
Sisoridae
Vulnerable
Myloplus Planquettei
Myloplus planquettei
Serrasalmidae
Vulnerable
Mylossoma Acanthogaster
Mylossoma acanthogaster
Serrasalmidae
Vulnerable
Myomyrus Pharao
Myomyrus pharao
Mormyridae
Vulnerable
Mystacoleucus Lepturus
Mystacoleucus lepturus
Cyprinidae
Vulnerable
Mystacoleucus Padangensis
Mystacoleucus padangensis
Cyprinidae
Vulnerable
Mystus Punctifer
Mystus punctifer
Bagridae
Vulnerable
Nannacara Bimaculata
Nannacara bimaculata
Cichlidae
Vulnerable