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 fishXiphophorus hellerii
Rivers of Mexico and Central America · river
Photo: Wojciech J. Płuciennik, CC BY-SA 4.0
Plecos · PeckoltiaUncommon
Peckoltia vermiculata
Lower Amazon near Santarém, Brazil · river
A small, easy Peckoltia with dark vermiculation on gold. Peaceful and a good community pleco.
Plecos · PeckoltiaUncommon
Rio Tocantins, Brazil · river
A small, easy Peckoltia with dark spots on a golden-brown body.
Plecos · HypancistrusStaple
Hypancistrus seideli
Rio Xingu, Brazil · river
Bold cream worm-lines on black. Every fish is different, and it breeds readily.
Plecos · HypancistrusLC
Hypancistrus debilittera
Rio Guaviare and upper Orinoco, Colombia · river
Small and busy, with thin black-and-white stripes. Easy to breed.
Plecos · PeckoltiaUncommon
Unknown origin · river
Dark body covered in fine gold worm-lines. Peaceful and easy to keep.
Plecos · HypancistrusUncommon
Hypancistrus yudja
Rio Xingu, Brazil · river
Small, with dense fine gold dots on black. Patterns vary, so check photos before buying.
Plecos · AncistrusUncommon
Unknown origin · river
Black with white spots and bright white fin edges. A standout bristlenose, but it prefers slightly cooler water than L236.
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.
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.
Plecos · PanaqolusUncommon
Panaqolus tankei
Rio Xingu, Brazil · river
A small banded wood-eater. Add driftwood and vegetables.
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.
Cichlids · Geophagus
Geophagus sp. 'orange head'
Lower Rio Tapajós and Rio Arapiuns, Brazil · river
Cichlids · AcarichthysLC
Acarichthys heckelii
Northern Amazon basin (Colombia, Peru, Brazil) and Essequibo, Guyana · river
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