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.
Apistogramma3 fish
Poecilia3 fish
Hyphessobrycon2 fish
Mikrogeophagus2 fish
Paracheirodon2 fish
Trichogaster2 fish
Boraras1 fish
Carassius1 fish
Carnegiella1 fish
Cleithracara1 fish
Corydoras1 fish
Danio1 fish
Hemigrammus1 fish
Herotilapia1 fish
Neocaridina1 fish
Pangio1 fish
Placidochromis1 fish
Puntius1 fish
Rineloricaria1 fish
Symphysodon1 fish
Trichopodus1 fish
Trichopsis1 fish
Trigonostigma1 fishCorydoras 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
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
Cleithracara maronii
Blackwater coastal creeks of the Guianas, Orinoco delta and Trinidad · blackwater stream
Photo: User:D.W., Public domain
Apistogramma agassizii
Leaf-litter creeks and backwaters of the Amazon basin, Peru to Brazil · stream
Photo: Cisamarc, CC BY-SA 3.0
Hyphessobrycon pulchripinnis
Rio Tapajós basin, Brazil · river
Photo: Waugsberg, CC BY 2.5
Carassius auratus
Domesticated in China from wild carp · pond
Photo: IssamBarhoumi, CC BY-SA 4.0
Apistogramma macmasteri
Upper Rio Meta (Guaytiquia and Metica rivers), Colombia · stream
Photo: Dnoerholm, CC BY-SA 4.0
Herotilapia multispinosa
Honduras, Nicaragua, Costa Rica (Lakes Nicaragua/Managua region) · lake
Photo: Klaus Rudloff, CC BY-SA 4.0
Aquarium-bred colour strain · river
Lays eggs in the open, and the male guards them where you can watch. Prefers cooler water.
Photo: Kaden Slone, CC BY 4.0
Poecilia wingei
Laguna de los Patos, Venezuela · lake
Photo: Dgrummon, CC BY-SA 4.0
Carnegiella strigata
Amazon basin, Peru and Brazil · blackwater stream
Jumper. Keep a tight lid on the tank.
Photo: SOK, CC BY-SA 4.0
Pangio kuhlii
Peat swamp streams of Malaysia and Indonesia · swamp or paddy
Photo: Robert Mollik, CC BY-SA 4.0
Trigonostigma heteromorpha
Peat swamp streams, Malay Peninsula and Sumatra · swamp or paddy
Photo: NasserHalaweh, CC BY-SA 4.0
Tetras · NannostomusStaple
Nannostomus beckfordi
Amazon basin and the Guianas · blackwater stream
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