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.
Corydoras4 fish
Aulonocara3 fish
Hyphessobrycon3 fish
Danio2 fish
Hemigrammus2 fish
Melanotaenia2 fish
Paracheirodon2 fish
Pterophyllum2 fish
Boraras1 fish
Carnegiella1 fish
Chindongo1 fish
Chromobotia1 fish
Cyphotilapia1 fish
Gymnocorymbus1 fish
Neocaridina1 fish
Otocinclus1 fish
Pangio1 fish
Pethia1 fish
Phenacogrammus1 fish
Puntigrus1 fish
Puntius1 fish
Symphysodon1 fish
Tanichthys1 fish
Trigonostigma1 fish
Tropheus1 fishCorydoras aeneus
Widespread in South America · stream
Photo: Andrew Keller, CC0
Aulonocara jacobfreibergi
Lake Malawi: southern lake - Cape Maclear, Otter Point, Monkey Bay, Undu Reef · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Lerdsuwa, CC BY-SA 3.0
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
Hemigrammus rhodostomus
Lower Amazon and Rio Negro, Brazil · blackwater stream
Photo: Gavinevans, CC BY-SA 3.0
Pethia conchonius
Rivers of northern India · river
Photo: Usien, CC0
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
Corydoras pygmaeus
Rio Madeira basin, Brazil · river
Photo: AquaTuer, CC BY-SA 4.0
Hemigrammus erythrozonus
Essequibo River, Guyana · river
Photo: h080, CC BY-SA 2.0
Hyphessobrycon eques
Amazon and Paraguay basins · river
Fin nipper. Keep it away from long-finned fish.
Photo: Douglas Lopes, CC BY 4.0
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
Tanichthys albonubes
Mountain streams near Guangzhou, China · stream
Photo: Ethmostigmus, CC BY-SA 4.0
Hyphessobrycon pulchripinnis
Rio Tapajós basin, Brazil · river
Photo: Waugsberg, CC BY 2.5
Pterophyllum scalare
Flooded forests of the Amazon basin · flooded forest
Predator. Eats any fish that fits in its mouth.
Long fins. Fin nippers will pick on it.
Photo: Rjcastillo, CC BY 4.0
Chromobotia macracanthus
Rivers of Borneo and Sumatra · river
Photo: Tommy Kronkvist, CC BY-SA 4.0
Aulonocara stuartgranti
Lake Malawi: along the coast between Ngara and Chizi Point; 'flametail' form from Ngara, Malawi · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Photograph by Mike Peel ( www.mikepeel.net )., CC BY-SA 4.0
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