Freshwater fishes
499 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
Poecilia3 fish
Danio2 fish
Hemigrammus2 fish
Hyphessobrycon2 fish
Melanotaenia2 fish
Paracheirodon2 fish
Trichogaster2 fish
Boraras1 fish
Caridina1 fish
Carnegiella1 fish
Crossocheilus1 fish
Neocaridina1 fish
Neritina1 fish
Otocinclus1 fish
Pangio1 fish
Peckoltia1 fish
Pethia1 fish
Phenacogrammus1 fish
Pterygoplichthys1 fish
Puntius1 fish
Rineloricaria1 fish
Tanichthys1 fish
Trichopodus1 fish
Trichopsis1 fish
Trigonostigma1 fish
Southeast Asia7 fish
South Asia5 fish
Xingu5 fish
Amazon3 fish
East Asia3 fish
Rio Negro3 fish
Tapajós3 fish
Africa2 fish
Caribbean coast2 fish
Curuá2 fish
Mexico & Central America2 fish
New Guinea2 fish
Orinoco2 fish
Rio Madeira2 fish
South America (widespread)2 fish
Guianas1 fish
Nanay1 fish
Rio Tapajós1 fish
Rio Tocantins1 fish
Tocantins1 fish
Upper Amazon1 fish
Unknown origin2 fish
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Gouramis & bettas · TrichogasterStaple
Trichogaster chuna
Ponds and ditches of India and Bangladesh · pond
Photo: Vincent Lim Show Chen, CC BY-SA 2.0
Poecilia sphenops
Coastal rivers, Mexico to Colombia · brackish estuary
Photo: Dnoerholm, CC BY-SA 4.0
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Rasboras & danios · DanioStaple
Danio rerio
Streams and paddies of India and Bangladesh · stream
Photo: Roundish, CC0
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Plecos · AncistrusUncommon
Black with white stars and white fin edges.
Ancistrus dolichopterus
Rio Negro, Brazil · river
Black with white stars and white fin edges. The prettiest bristlenose, but it prefers cooler, soft water.
Photo: Alberto Mejia-Paniagua, CC BY NC SA
Corydoras panda
Clear Andean foothill streams, Peru · stream
Photo: Chronotopian, CC BY-SA 3.0
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Rasboras & danios · DanioStaple
Danio margaritatus
Spring-fed ponds, Shan Plateau, Myanmar · pond
Photo: Cisamarc, CC BY-SA 3.0
Paracheirodon axelrodi
Rio Negro and upper Orinoco, Brazil and Venezuela · blackwater stream
Photo: Paolo Neo, Public domain
Phenacogrammus interruptus
Congo River basin, DR Congo · river
Photo: André Karwath aka Aka, CC BY-SA 2.5
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Plecos · PanaqolusUncommon
White vermiculation with orange-red fin edges.
Panaqolus albivermis
Peruvian Amazon · river
White vermiculation with orange-red fin edges. A wood-eater, so add driftwood and vegetables.
Photo: Hantanplan, CC0
Boraras brigittae
Peat swamps of southwest Borneo · swamp or paddy
Photo: Daiju Azuma, CC BY-SA 4.0
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Rainbowfish · Melanotaenia
Melanotaenia boesemani
Ayamaru Lakes, West Papua · lake
Photo: H. Zell, CC BY-SA 3.0
Otocinclus vittatus
Streams across South America · stream
Photo: No machine-readable author provided. Chle assumed (based on copyright claims)., CC BY-SA 3.0
Xiphophorus maculatus
Atlantic slope of Mexico and Central America · stream
Plecos · AncistrusUncommon
A honeycomb-patterned bristlenose that Canadian hobbyists breed.
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
A small banded wood-eater.
Panaqolus tankei
Rio Xingu, Brazil · river
A small banded wood-eater. Add driftwood and vegetables.
Plecos · HypancistrusStaple
Bold cream worm-lines on black.
Rio Xingu, Brazil · rapids
Bold cream worm-lines on black. Every fish is different, and it breeds readily.
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