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.
Hypancistrus14 fish
Peckoltia5 fish
Ancistrus4 fish
Apistogramma4 fish
Corydoras4 fish
Panaqolus4 fish
Pseudacanthicus4 fish
Aulonocara3 fish
Baryancistrus3 fish
Hyphessobrycon3 fish
Leporacanthicus3 fish
Neolamprologus3 fish
Poecilia3 fish
Scobinancistrus3 fish
Amphilophus2 fish
Andinoacara2 fish
Chindongo2 fish
Danio2 fish
Hemiancistrus2 fish
Hemigrammus2 fish
Maylandia2 fish
Melanotaenia2 fish
Mikrogeophagus2 fish
Panaque2 fish
Paracheirodon2 fish
Pterophyllum2 fish
Trichogaster2 fish
Xiphophorus2 fish
Altolamprologus1 fish
Amatitlania1 fish
Astronotus1 fish
Beaufortia1 fish
Betta1 fish
Boraras1 fish
Carassius1 fish
Caridina1 fish
Carinotetraodon1 fish
Carnegiella1 fish
Chromobotia1 fish
Cichla1 fish
Cleithracara1 fish
Crossocheilus1 fish
Cyphotilapia1 fish
Gymnocorymbus1 fish
Gymnogeophagus1 fish
Heros1 fish
Herotilapia1 fish
Julidochromis1 fish
Labeotropheus1 fish
Labidochromis1 fish
Lamprologus1 fish
Melanochromis1 fish
Neocaridina1 fish
Neritina1 fish
Otocinclus1 fish
Pangio1 fish
Parachromis1 fish
Pelvicachromis1 fish
Pethia1 fish
Phenacogrammus1 fish
Placidochromis1 fish
Pterygoplichthys1 fish
Puntigrus1 fish
Puntius1 fish
Rineloricaria1 fish
Rocio1 fish
Sciaenochromis1 fish
Sewellia1 fish
Symphysodon1 fish
Tanichthys1 fish
Thorichthys1 fish
Trichopodus1 fish
Trichopsis1 fish
Trichromis1 fish
Trigonostigma1 fish
Tropheus1 fish
Unknown2 fish
Lake Malawi13 fish
Xingu13 fish
Amazon12 fish
Mexico & Central America11 fish
Southeast Asia11 fish
Orinoco10 fish
Lake Tanganyika8 fish
South Asia6 fish
East Asia5 fish
Rio Negro5 fish
Tocantins5 fish
Rio Madeira4 fish
Tapajós4 fish
Africa3 fish
Caribbean coast3 fish
Curuá2 fish
Guianas2 fish
Man-made2 fish
New Guinea2 fish
Paraná & Paraguay2 fish
Rio Tapajós2 fish
Rio Tocantins2 fish
South America (widespread)2 fish
Essequibo1 fish
Nanay1 fish
Pacific South America1 fish
Upper Amazon1 fish
Unknown origin7 fishCarinotetraodon travancoricus
Rivers of Kerala, southwest India · river
Fin nipper. Keep it away from long-finned fish.
Photo: 5snake5, CC0
Tanichthys albonubes
Mountain streams near Guangzhou, China · stream
Photo: Ethmostigmus, CC BY-SA 4.0
Upper Orinoco, Venezuela · rapids
Blue-grey with fine white dots. Grows larger than it looks in the store.
Photo: EnjiBenji, CC0
Aquarium-bred strain. Its wild origin isn’t well documented. · river
Yellow bristlenose with blue eyes. Easy and cheap, but happier below 28°C. L144a is the longfin form.
Photo: Corydoras-adolfoi, CC BY-SA 4.0
Caridina multidentata
Coastal streams of Japan and Taiwan · stream
Invertebrate. Many fish will eat it, so choose tank mates with care.
Photo: Jolielover, CC BY 4.0
Beaufortia kweichowensis
Fast rocky streams of southern China · rapids
Photo: Lerdsuwa, CC BY-SA 3.0
Andinoacara rivulatus
Pacific coastal drainages of Ecuador and far northern Peru · river
Predator. Eats any fish that fits in its mouth.
Photo: Raúl A. Ruiz M., CC BY 4.0
Cleithracara maronii
Blackwater coastal creeks of the Guianas, Orinoco delta and Trinidad · blackwater stream
Photo: User:D.W., Public domain
Peckoltia compta
Rio Tapajós, Brazil · river
Yellow with black saddles. A different genus from L236, so no hybrid risk in the display.
Photo: Frank M Greco, CC BY 3.0
Hyphessobrycon eques
Amazon and Paraguay basins · river
Fin nipper. Keep it away from long-finned fish.
Photo: Douglas Lopes, CC BY 4.0
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
Trichromis salvini
Atlantic slope, S Mexico through Guatemala to Belize · river
Predator. Eats any fish that fits in its mouth.
Photo: geosesarma, CC BY 4.0
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
Corydoras aeneus
Widespread in South America · stream
Photo: Andrew Keller, CC0
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
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Cichlids · ChindongoVU
Predator. Eats any fish that fits in its mouth.
Chindongo demasoni
Lake Malawi: Pombo Rocks, Tanzanian coast · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: dinomariobob, CC0
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