Freshwater fishes
542 species, each with the water it needs, who it gets along with, and where it comes from. Find one, or browse by family, genus or river.
Apistogramma4 fish
Hyphessobrycon3 fish
Poecilia3 fish
Amphilophus2 fish
Mikrogeophagus2 fish
Neolamprologus2 fish
Paracheirodon2 fish
Pterophyllum2 fish
Trichogaster2 fish
Astronotus1 fish
Betta1 fish
Boraras1 fish
Carassius1 fish
Carinotetraodon1 fish
Carnegiella1 fish
Cleithracara1 fish
Corydoras1 fish
Cyphotilapia1 fish
Danio1 fish
Gymnogeophagus1 fish
Hemigrammus1 fish
Heros1 fish
Herotilapia1 fish
Lamprologus1 fish
Neocaridina1 fish
Pangio1 fish
Pelvicachromis1 fish
Placidochromis1 fish
Puntius1 fish
Rineloricaria1 fish
Rocio1 fish
Symphysodon1 fish
Thorichthys1 fish
Trichopodus1 fish
Trichopsis1 fish
Trigonostigma1 fish
Amazon11 fish
Mexico & Central America7 fish
Southeast Asia7 fish
Lake Tanganyika4 fish
South Asia4 fish
Orinoco3 fish
Caribbean coast2 fish
East Asia2 fish
Guianas2 fish
Paraná & Paraguay2 fish
Rio Madeira2 fish
Africa1 fish
Lake Malawi1 fish
Rio Negro1 fish
Rio Tapajós1 fish
Rio Tocantins1 fish
Unknown origin1 fishPoecilia reticulata
Trinidad and northern Venezuela · stream
Long fins. Fin nippers will pick on it.
Photo: Holger Krisp, CC BY 3.0
Gymnogeophagus balzanii
Paraná-Paraguay and lower Uruguay basins (Brazil, Paraguay, Argentina, Uruguay) · river
Photo: CHUCAO, CC BY-SA 3.0
Mikrogeophagus altispinosus
Mamoré and Guaporé basins, Bolivia and Brazil · river
Photo: Corpse89, CC BY-SA 3.0
Lamprologus ocellatus
Lake Tanganyika: shell-strewn sand with scattered rocks, usually 6-12 m · lake
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Cedricguppy - Loury Cédric, CC BY-SA 4.0
Neocaridina davidi
Streams of Taiwan and eastern China · stream
Invertebrate. Many fish will eat it, so choose tank mates with care.
Photo: TonyZimbinski, CC BY-SA 4.0
Paracheirodon innesi
Upper Amazon basin: Peru, Colombia, Brazil · blackwater stream
Photo: Holger Krisp, CC BY 3.0
Symphysodon aequifasciatus
Floodplain lakes of the Amazon basin · flooded forest
Photo: H. Zell, CC BY-SA 3.0
Trichopodus leerii
Peat swamps of Malaysia, Sumatra and Borneo · swamp or paddy
Long fins. Fin nippers will pick on it.
Photo: BEDO (Thailand), CC BY-SA 4.0
Corydoras pygmaeus
Rio Madeira basin, Brazil · river
Photo: AquaTuer, CC BY-SA 4.0
Pelvicachromis pulcher
Coastal rivers of Nigeria and Cameroon · river
Photo: NasserHalaweh, CC BY-SA 4.0
Hemigrammus erythrozonus
Essequibo River, Guyana · river
Photo: h080, CC BY-SA 2.0
Mikrogeophagus ramirezi
Llanos savanna streams, Orinoco basin · stream
Photo: Eric Mengel, Public domain
Placidochromis electra
Lake Malawi: sandy bottoms below ~7 m at Likoma Island, Mara Point and Malawi coast south to Nekete · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Paolo Neo, Public domain
Hyphessobrycon eques
Amazon and Paraguay basins · river
Fin nipper. Keep it away from long-finned fish.
Photo: Douglas Lopes, CC BY 4.0
Cleithracara maronii
Blackwater coastal creeks of the Guianas, Orinoco delta and Trinidad · blackwater stream
Photo: User:D.W., Public domain
Pterophyllum altum
Upper Rio Negro and upper Orinoco tributaries (Inírida, Atabapo), Colombia/Venezuela · blackwater stream
Predator. Eats any fish that fits in its mouth.
Photo: Jeff Kubina, CC BY-SA 4.0
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