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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
Melanorivulus Megaroni
Melanorivulus megaroni
Rivulidae
Least Concern
Melanorivulus Modestus
Melanorivulus modestus
Rivulidae
Least Concern
Melanorivulus Pictus
Melanorivulus pictus
Rivulidae
Least Concern
Melanorivulus Punctatus
Melanorivulus punctatus
Rivulidae
Least Concern
Melanorivulus Rubroreticulatus
Melanorivulus rubroreticulatus
Rivulidae
Least Concern
Melanorivulus Schuncki
Melanorivulus schuncki
Rivulidae
Least Concern
Melanorivulus Zygonectes
Melanorivulus zygonectes
Rivulidae
Least Concern
Melanotaenia Affinis
Melanotaenia affinis
Melanotaeniidae
Least Concern
Edible
Melid loach
Oxynoemacheilus kaynaki
Nemacheilidae
Least Concern
Melon barb
Haludaria fasciata
Cyprinidae
Least Concern
Edible
Menado pipefish
Microphis manadensis
Syngnathidae
Least Concern
Menderes bream
Vimba mirabilis
Cyprinidae
Least Concern
Mendezi Dwarf Cichlid
Apistogramma mendezi
Cichlidae
Least Concern
Menezes' Sole
Apionichthys menezesi
Achiridae
Least Concern
Menoda catfish
Hemibagrus menoda
Bagridae
Least Concern
Meramec Saddled Darter
Etheostoma erythrozonum
Percidae
Least Concern
Meridian Tetra
Hyphessobrycon meridionalis
Acestrorhamphidae
Least Concern
Merry widow livebearer
Phallichthys amates
Poeciliidae
Least Concern
Edible
Mesensis tube-snouted ghost knifefish
Sternarchorhynchus mesensis
Apteronotidae
Least Concern
Meshscaled topminnow
Lacustricola hutereaui
Poeciliidae
Least Concern
Mesoborus Crocodilus
Mesoborus crocodilus
Distichodontidae
Least Concern
Mesocottus Haitej
Mesocottus haitej
Least Concern
Mesogobio Tumenensis
Mesogobio tumenensis
Least Concern
Mesoheros Atromaculatus
Mesoheros atromaculatus
Cichlidae
Least Concern
Mesonauta Acora
Mesonauta acora
Cichlidae
Least Concern
Mesonauta Egregius
Mesonauta egregius
Cichlidae
Least Concern
Mesonauta Guyanae
Mesonauta guyanae
Cichlidae
Least Concern
Mesonauta Mirificus
Mesonauta mirificus
Cichlidae
Least Concern
Mesonoemacheilus Remadeviae
Mesonoemacheilus remadeviae
Least Concern
Mesopotamian barb
Capoeta damascina
Cyprinidae
Least Concern
Mesopotamian barb
Capoeta kosswigi
Cyprinidae
Least Concern
Mesopotamian chub
Squalius berak
Cyprinidae
Least Concern
Mesopotamian minnow
Barilius mesopotamicus
Cyprinidae
Least Concern
Mesopotamian Pike Chub
Squalius lepidus
Cyprinidae
Least Concern
Metahomaloptera Omeiensis
Metahomaloptera omeiensis
Least Concern
Metallic livebearer
Girardinus metallicus
Poeciliidae
Least Concern
Edible
Metallic sheatfish
Phalacronotus apogon
Siluridae
Least Concern
Edible
Metallic shiner
Pteronotropis metallicus
Cyprinidae
Least Concern
Metaloricaria Nijsseni
Metaloricaria nijsseni
Loricariidae
Least Concern
Metaloricaria Paucidens
Metaloricaria paucidens
Loricariidae
Least Concern
Metynnis Altidorsalis
Metynnis altidorsalis
Serrasalmidae
Least Concern
Metynnis Cuiaba
Metynnis cuiaba
Serrasalmidae
Least Concern
Metynnis Fasciatus
Metynnis fasciatus
Serrasalmidae
Least Concern
Metynnis Longipinnis
Metynnis longipinnis
Serrasalmidae
Least Concern
Metynnis Mola
Metynnis mola
Serrasalmidae
Least Concern
Metynnis Otuquensis
Metynnis otuquensis
Serrasalmidae
Least Concern
Metynnis Polystictus
Metynnis polystictus
Serrasalmidae
Least Concern
Meunier's Jupiaba
Jupiaba meunieri
Acestrorhamphidae
Least Concern