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.
Hyphessobrycon3 fish
Poecilia3 fish
Mikrogeophagus2 fish
Paracheirodon2 fish
Trichogaster2 fish
Apistogramma1 fish
Astronotus1 fish
Betta1 fish
Boraras1 fish
Carassius1 fish
Carinotetraodon1 fish
Carnegiella1 fish
Corydoras1 fish
Danio1 fish
Hemigrammus1 fish
Neocaridina1 fish
Pangio1 fish
Pelvicachromis1 fish
Pterophyllum1 fish
Puntius1 fish
Rineloricaria1 fish
Symphysodon1 fish
Trichopodus1 fish
Trichopsis1 fish
Trigonostigma1 fishParacheirodon innesi
Upper Amazon basin: Peru, Colombia, Brazil · blackwater stream
Photo: Holger Krisp, CC BY 3.0
Hemigrammus erythrozonus
Essequibo River, Guyana · river
Photo: h080, CC BY-SA 2.0
Pelvicachromis pulcher
Coastal rivers of Nigeria and Cameroon · river
Photo: NasserHalaweh, CC BY-SA 4.0
Mikrogeophagus ramirezi
Llanos savanna streams, Orinoco basin · stream
Photo: Eric Mengel, Public domain
Corydoras pygmaeus
Rio Madeira basin, Brazil · river
Photo: AquaTuer, CC BY-SA 4.0
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Gouramis & bettas · TrichopsisStaple
Trichopsis pumila
Rice paddies and ditches of Southeast Asia · swamp or paddy
Photo: Zikamoi, CC BY-SA 3.0
Hyphessobrycon amandae
Rio Araguaia basin, Brazil · river
Photo: Cedricguppy - Loury Cédric, CC BY-SA 4.0
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Gouramis & bettas · Betta
Lone male. Males fight. Keep one, or give each his own space.
Betta splendens
Rice paddies and marshes of Thailand · swamp or paddy
Lone male. Males fight. Keep one, or give each his own space.
Long fins. Fin nippers will pick on it.
Photo: ErgoSum88, Public domain
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Gouramis & bettas · Trichogaster
Lone male. Males fight. Keep one, or give each his own space.
Trichogaster lalius
Slow, plant-choked waters of India and Bangladesh · swamp or paddy
Lone male. Males fight. Keep one, or give each his own space.
Photo: Kennyannydenny, CC BY-SA 3.0
Puntius titteya
Shaded forest streams, Sri Lanka · stream
Photo: NasserHalaweh, CC BY-SA 4.0
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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 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
Boraras brigittae
Peat swamps of southwest Borneo · swamp or paddy
Photo: Daiju Azuma, CC BY-SA 4.0
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Cichlids · Astronotus
Predator. Eats any fish that fits in its mouth.
Astronotus ocellatus
Slow rivers and floodplains of the Amazon · flooded forest
Predator. Eats any fish that fits in its mouth.
Photo: Jón Helgi Jónsson (Amything), CC BY-SA 3.0
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