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.
Ancistrus57 fish
Hypostomus56 fish
Peckoltia46 fish
Hypancistrus41 fish
Panaque28 fish
Pseudacanthicus25 fish
Baryancistrus19 fish
Chaetostoma14 fish
Spectracanthicus14 fish
Lasiancistrus12 fish
Pterygoplichthys11 fish
Aphanotorulus9 fish
Leporacanthicus9 fish
Scobinancistrus6 fish
Panaqolus5 fish
Parancistrus5 fish
Apistogramma4 fish
Corydoras4 fish
Guyanancistrus4 fish
Hemiancistrus4 fish
Acanthicus3 fish
Aulonocara3 fish
Hyphessobrycon3 fish
Neolamprologus3 fish
Poecilia3 fish
Amphilophus2 fish
Andinoacara2 fish
Chindongo2 fish
Danio2 fish
Hemigrammus2 fish
Maylandia2 fish
Megalancistrus2 fish
Melanotaenia2 fish
Mikrogeophagus2 fish
Paracheirodon2 fish
Pseudorinelepis2 fish
Pterophyllum2 fish
Rineloricaria2 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
Loricaria1 fish
Melanochromis1 fish
Neocaridina1 fish
Neritina1 fish
Otocinclus1 fish
Pangio1 fish
Parachromis1 fish
Pelvicachromis1 fish
Pethia1 fish
Phenacogrammus1 fish
Placidochromis1 fish
Puntigrus1 fish
Puntius1 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
Orinoco30 fish
Xingu26 fish
Amazon21 fish
Tocantins17 fish
Tapajós16 fish
Lake Malawi13 fish
Mexico & Central America11 fish
Southeast Asia11 fish
Lake Tanganyika8 fish
Rio Negro8 fish
Rio Branco6 fish
South Asia6 fish
Suriname6 fish
Curuá5 fish
East Asia5 fish
Rio Madeira4 fish
Africa3 fish
Caribbean coast3 fish
Essequibo3 fish
Guaviare3 fish
Madeira3 fish
Parana3 fish
Guianas2 fish
Man-made2 fish
New Guinea2 fish
Oyapock2 fish
Paraná & Paraguay2 fish
Rio Tapajós2 fish
Rio Tocantins2 fish
South America (widespread)2 fish
Upper Amazon2 fish
Aripuanã1 fish
Caqueta1 fish
Marañón1 fish
Nanay1 fish
Pacific South America1 fish
Purus1 fish
Unknown origin286 fishAulonocara 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
Aphanotorulus horridus
Rio Madeira, Marañón and Aripuana, Brazil and Peru · river
Photo: no rights reserved, CC0
Julidochromis regani
Lake Tanganyika: lake-wide, shallows to 5 m over sand and scattered rocks · lake
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Regani, Public domain
Carnegiella strigata
Amazon basin, Peru and Brazil · blackwater stream
Jumper. Keep a tight lid on the tank.
Photo: SOK, 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
Parancistrus nudiventris
Rio Xingu, Brazil · river
Photo: Gabriel Lelis Togni, CC BY 3.0
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Plecos · HemiancistrusUncommon
Olive-green with yellow dots, a colour nothing else in the tank has.
Hemiancistrus subviridis
Upper Orinoco and Ventuari, Venezuela · rapids
Olive-green with yellow dots, a colour nothing else in the tank has. Grazes algae and likes strong flow.
Photo: Anne Blindheim, CC BY SA
Pará, Brazil. Sources differ on the exact river. · rapids
Cream with bold black spots and a spiny body. Grows to about 35 cm and is aggressive.
Photo: Whaldener Endo, CC0
Chromobotia macracanthus
Rivers of Borneo and Sumatra · river
Photo: Tommy Kronkvist, CC BY-SA 4.0
Hypancistrus zebra
Rio Xingu, Brazil · river
Photo: Birger A, CC BY-SA 3.0
Poecilia wingei
Laguna de los Patos, Venezuela · lake
Photo: Dgrummon, CC BY-SA 4.0
Heros efasciatus
Amazon main channel/Solimões, Ucayali (Peru), Xingu · river
Predator. Eats any fish that fits in its mouth.
Photo: Rufus46, CC BY-SA 3.0
Guyanancistrus brevispinis
Rio Oyapock and Suriname, French Guiana and Suriname · river
Photo: Julien Renoult, CC BY 4.0
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
Baryancistrus niveatus
Rio Tocantins, Araguaia and Tapajós, Brazil · river
Photo: Gabriel Lelis Togni, CC BY
Chaetostoma formosae
Río Guaviare, Colombia · river
Photo: Frank M. Greco, CC BY 3.0
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