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.
Apistogramma4 fish
Corydoras4 fish
Pseudacanthicus4 fish
Hyphessobrycon3 fish
Neolamprologus3 fish
Panaqolus3 fish
Poecilia3 fish
Amphilophus2 fish
Ancistrus2 fish
Andinoacara2 fish
Aulonocara2 fish
Baryancistrus2 fish
Chindongo2 fish
Danio2 fish
Hemiancistrus2 fish
Hemigrammus2 fish
Hypancistrus2 fish
Maylandia2 fish
Melanotaenia2 fish
Mikrogeophagus2 fish
Panaque2 fish
Paracheirodon2 fish
Peckoltia2 fish
Pterophyllum2 fish
Scobinancistrus2 fish
Trichogaster2 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
Leporacanthicus1 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
Xiphophorus1 fish
Unknown1 fish
Lake Malawi11 fish
Southeast Asia11 fish
Mexico & Central America10 fish
Amazon9 fish
Orinoco9 fish
Lake Tanganyika8 fish
Xingu7 fish
South Asia6 fish
East Asia5 fish
Rio Madeira4 fish
Africa3 fish
Caribbean coast3 fish
Rio Negro3 fish
Tocantins3 fish
Guianas2 fish
New Guinea2 fish
Paraná & Paraguay2 fish
Rio Tocantins2 fish
South America (widespread)2 fish
Tapajós2 fish
Curuá1 fish
Essequibo1 fish
Man-made1 fish
Nanay1 fish
Pacific South America1 fish
Rio Tapajós1 fish
Upper Amazon1 fish
Unknown origin2 fishAndinoacara 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
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
Hyphessobrycon eques
Amazon and Paraguay basins · river
Fin nipper. Keep it away from long-finned fish.
Photo: Douglas Lopes, CC BY 4.0
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
Upper Orinoco, Venezuela · rapids
Blue-grey with fine white dots. Grows larger than it looks in the store.
Photo: EnjiBenji, CC0
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
Carinotetraodon 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
Baryancistrus xanthellus
Rio Xingu, and the Rio Iriri for L177 · rapids
Black with yellow spots and gold fin edges. Grows larger than Hypancistrus and holds a territory.
Photo: Anne Blindheim, CC BY-SA 3.0
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
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Plecos · PseudacanthicusRare
Spotted cactus pleco with orange-edged fins.
Pseudacanthicus leopardus
Rupununi and Essequibo, Guyana, and the Rio Branco, Brazil · rapids
Spotted cactus pleco with orange-edged fins. Large, spiny and aggressive with other plecos.
Photo: Sesamehoneytart, CC BY-SA 3.0
Maylandia lombardoi
Lake Malawi: Mbenji Islands and Nkhomo Reef, Malawi (introduced at Namalenje Island) · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Vlad Butsky, CC BY 4.0
Amphilophus citrinellus × Vieja melanurus
Man-made: Taiwan, about 1986
Predator. Eats any fish that fits in its mouth.
Photo: Kieron Wood, CC BY-SA 3.0
Tropheus moorii
Lake Tanganyika: shallow rocky shorelines (many local colour forms) · lake
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Bobby 111 (?), CC BY-SA 3.0
Labidochromis caeruleus
Lake Malawi: NW coast; electric-yellow form only between Charo and Lion's Cove, Malawi · lake
Predator. Eats any fish that fits in its mouth.
Hard water. Needs hard, alkaline water, like its rift lake.
Photo: Jmatz at English Wikipedia ( Original text: Julian Matz ( talk ) ), CC BY-SA 3.0
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