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 fishApistogramma borellii
Creeks of the Paraguay, lower Parana and Uruguay systems (Brazil, Paraguay, Argentina, Uruguay) · stream
Photo: Dornenwolf, CC BY 4.0
Betta splendens
Rice paddies and marshes of Thailand · swamp or paddy
Lone male. Males fight. Keep one, or give each his own space.
Long fins. Fin nippers will pick on it.
Photo: ErgoSum88, Public domain
Peckoltia vittata
Lower Amazon and Xingu basins, Brazil · river
A small Peckoltia with bold yellow and dark bands. Peaceful, and a different genus from L236.
Photo: Gabriel Lelis Togni, CC BY 3.0
Parachromis dovii
Atlantic and Pacific slopes, Honduras to Costa Rica · river
Predator. Eats any fish that fits in its mouth.
Photo: Sesamehoneytart, CC BY-SA 3.0
Sciaenochromis fryeri
Lake Malawi: rocky coasts lake-wide, 10-40 m · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Ged 02, CC BY-SA 4.0
Altolamprologus calvus
Lake Tanganyika: rocky shores and islands, mainly southwestern part · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: 5snake5, CC0
Pterygoplichthys joselimaianus
Tocantins–Araguaia basin, Brazil · river
A sailfin that grows to about 30 cm and makes a lot of waste. Big tanks only.
Photo: 5snake5, CC BY-SA 4.0
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Cichlids · LabeotropheusLC
Predator. Eats any fish that fits in its mouth.
Labeotropheus trewavasae
Lake Malawi: algae-covered rocky shores and islands, many localities · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Jutta234, CC BY-SA 3.0
Puntigrus tetrazona
Sumatra and Borneo · stream
Fin nipper. Keep it away from long-finned fish.
Photo: Ingvar-fed, CC BY-SA 3.0
Trichopsis pumila
Rice paddies and ditches of Southeast Asia · swamp or paddy
Photo: Zikamoi, CC BY-SA 3.0
Hyphessobrycon amandae
Rio Araguaia basin, Brazil · river
Photo: Cedricguppy - Loury Cédric, CC BY-SA 4.0
Corydoras sterbai
Rio Guaporé, Brazil and Bolivia · river
Photo: Matthew Mannell, Public domain
Scobinancistrus cf. pariolispos
Xingu and Tapajós basins, Brazil · rapids
Fine pale spots on black. Large and rarely available.
Photo: Gabriel Lelis Togni, CC BY 3.0
Pseudacanthicus pitanga
Rio Tocantins, Brazil · rapids
Dark body with red fin edges. Large and aggressive.
Photo: B. Phalan, CC BY 4.0
Poecilia 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
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