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.
Hypancistrus10 fish
Corydoras4 fish
Panaqolus4 fish
Ancistrus3 fish
Hyphessobrycon3 fish
Peckoltia3 fish
Poecilia3 fish
Danio2 fish
Hemigrammus2 fish
Hypostomus2 fish
Melanotaenia2 fish
Paracheirodon2 fish
Pseudacanthicus2 fish
Trichogaster2 fish
Xiphophorus2 fish
Aphanotorulus1 fish
Baryancistrus1 fish
Boraras1 fish
Caridina1 fish
Carinotetraodon1 fish
Carnegiella1 fish
Chaetostoma1 fish
Crossocheilus1 fish
Gymnocorymbus1 fish
Neocaridina1 fish
Neritina1 fish
Otocinclus1 fish
Panaque1 fish
Pangio1 fish
Pelvicachromis1 fish
Pethia1 fish
Phenacogrammus1 fish
Pterygoplichthys1 fish
Puntigrus1 fish
Puntius1 fish
Rineloricaria1 fish
Tanichthys1 fish
Trichopodus1 fish
Trichopsis1 fish
Trigonostigma1 fish
Southeast Asia8 fish
South Asia6 fish
Xingu6 fish
Rio Negro5 fish
Tapajós5 fish
Amazon4 fish
Orinoco4 fish
Tocantins4 fish
Africa3 fish
East Asia3 fish
Mexico & Central America3 fish
Rio Madeira3 fish
Caribbean coast2 fish
Curuá2 fish
Guaviare2 fish
New Guinea2 fish
South America (widespread)2 fish
Essequibo1 fish
Guianas1 fish
Nanay1 fish
Rio Tapajós1 fish
Rio Tocantins1 fish
Suriname1 fish
Upper Amazon1 fish
Unknown origin6 fishMelanotaenia praecox
Mamberamo River basin, New Guinea · stream
Photo: Raimond Spekking, CC BY-SA 4.0
Hypancistrus zebra
Volta Grande of the Rio Xingu, Brazil · rapids
Brazil banned wild export, so Canadian stock is tank-bred. Clean, even stripes where L236 are broken and patchy.
Photo: Birger A, CC BY-SA 3.0
Hypancistrus cf. contradens
Middle Orinoco, Venezuela · rapids
Crisp white dots and white fin edges. A classic first Hypancistrus.
Photo: thepigeongirl, CC BY NC
Corydoras sterbai
Rio Guaporé, Brazil and Bolivia · river
Photo: Matthew Mannell, Public domain
Hyphessobrycon amandae
Rio Araguaia basin, Brazil · river
Photo: Cedricguppy - Loury Cédric, CC BY-SA 4.0
Pseudacanthicus pitanga
Rio Tocantins, Brazil · rapids
Dark body with red fin edges. Large and aggressive.
Photo: B. Phalan, CC BY 4.0
Trichopsis pumila
Rice paddies and ditches of Southeast Asia · swamp or paddy
Photo: Zikamoi, CC BY-SA 3.0
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
Puntigrus tetrazona
Sumatra and Borneo · stream
Fin nipper. Keep it away from long-finned fish.
Photo: Ingvar-fed, CC BY-SA 3.0
Plecos · Hypancistrus
Hypancistrus seideli
Unknown origin · river
Plecos · Hypostomus
Hypostomus faveolus
Rio Tocantins and Xingu, Brazil · river
Plecos · Peckoltia
Peckoltia sp.
Unknown origin · river
Plecos · Hemiancistrus
Hemiancistrus guahiborum
Rio Negro, Orinoco and Ventuari, Brazil and Venezuela · river
Plecos · AncistrusUncommon
Rio Guaporé (Itenez), Bolivia–Brazil border · river
A honeycomb-patterned bristlenose that Canadian hobbyists breed. Easy, but it prefers water a little cooler than L236.
Plecos · PanaqolusUncommon
Panaqolus tankei
Rio Xingu, Brazil · river
A small banded wood-eater. Add driftwood and vegetables.
Plecos · Ancistomus
Ancistomus snethlageae
Rio Tapajós, Brazil · river
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