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.
Hypancistrus9 fish
Corydoras4 fish
Panaqolus4 fish
Ancistrus3 fish
Hyphessobrycon3 fish
Poecilia3 fish
Danio2 fish
Hemigrammus2 fish
Melanotaenia2 fish
Paracheirodon2 fish
Pseudacanthicus2 fish
Trichogaster2 fish
Xiphophorus2 fish
Baryancistrus1 fish
Boraras1 fish
Caridina1 fish
Carinotetraodon1 fish
Carnegiella1 fish
Crossocheilus1 fish
Gymnocorymbus1 fish
Neocaridina1 fish
Neritina1 fish
Otocinclus1 fish
Panaque1 fish
Pangio1 fish
Peckoltia1 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
Amazon4 fish
Orinoco4 fish
Africa3 fish
East Asia3 fish
Mexico & Central America3 fish
Rio Madeira3 fish
Rio Negro3 fish
Tapajós3 fish
Tocantins3 fish
Caribbean coast2 fish
Curuá2 fish
New Guinea2 fish
South America (widespread)2 fish
Essequibo1 fish
Guianas1 fish
Nanay1 fish
Rio Tapajós1 fish
Rio Tocantins1 fish
Upper Amazon1 fish
Unknown origin2 fishParacheirodon innesi
Upper Amazon basin: Peru, Colombia, Brazil · blackwater stream
Photo: Holger Krisp, CC BY 3.0
Crossocheilus oblongus
Streams of Thailand and the Malay Peninsula · stream
Photo: User:Ark pl wiki, CC BY 3.0
Pethia conchonius
Rivers of northern India · river
Photo: Usien, CC0
Neocaridina davidi
Streams of Taiwan and eastern China · stream
Invertebrate. Many fish will eat it, so choose tank mates with care.
Photo: TonyZimbinski, CC BY-SA 4.0
Hemigrammus rhodostomus
Lower Amazon and Rio Negro, Brazil · blackwater stream
Photo: Gavinevans, CC BY-SA 3.0
Poecilia reticulata
Trinidad and northern Venezuela · stream
Long fins. Fin nippers will pick on it.
Photo: Holger Krisp, CC BY 3.0
Plecos · HypancistrusUncommon
Tapajós basin, Brazil · rapids
Thick, irregular white bands on black, like a coarse zebra.
Leporacanthicus triactis
Orinoco, Venezuela · rapids
Eats snails and holds a cave firmly. Can be rough with smaller plecos.
Plecos · HypancistrusStaple
Hypancistrus seideli
Rio Xingu, Brazil · river
Bold cream worm-lines on black. Every fish is different, and it breeds readily.
Plecos · HypancistrusStaple
Hypancistrus seideli
Rio Xingu and Rio Iriri, Brazil · river
Yellow-cream maze that changes from fish to fish. High-grade fish cost more. Very productive, so fry are easy to rehome.
Tetras · NannostomusStaple
Nannostomus beckfordi
Amazon basin and the Guianas · blackwater stream
Plecos · HypancistrusUncommon
Rio Curuá, Iriri–Xingu basin, Brazil · rapids
Dark with a golden net pattern. It can cross with L236, so only mix them in a tank you won’t sell fry from.
Plecos · HypancistrusUncommon
Rio Tapajós, Brazil · rapids
Fine white maze lines on black. One of the most refined patterns in the genus.
Leporacanthicus galaxias
Rio Tocantins and nearby Pará rivers, Brazil · rapids
The vampire pleco. Beautiful, but it gets large and bullies smaller plecos.
Plecos · HypancistrusLC
Hypancistrus debilittera
Rio Guaviare and upper Orinoco, Colombia · river
Small and busy, with thin black-and-white stripes. Easy to breed.
Plecos · HypancistrusRare
Hypancistrus seideli
Rio Xingu, Pará, Brazil · river
Grading is by how much white shows, and the whitest fish sell for the most. Best at 29–30°C with strong flow and protein-heavy food.
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