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.
Corydoras2 fish
Danio2 fish
Hemigrammus2 fish
Hyphessobrycon2 fish
Paracheirodon2 fish
Poecilia2 fish
Boraras1 fish
Caridina1 fish
Carnegiella1 fish
Melanotaenia1 fish
Mikrogeophagus1 fish
Neocaridina1 fish
Neritina1 fish
Otocinclus1 fish
Puntius1 fish
Sewellia1 fish
Tanichthys1 fish
Trichogaster1 fish
Trichopsis1 fish
Trigonostigma1 fish
Southeast Asia5 fish
Amazon3 fish
East Asia3 fish
South Asia3 fish
Caribbean coast2 fish
Rio Negro2 fish
Africa1 fish
Guianas1 fish
New Guinea1 fish
Orinoco1 fish
Rio Madeira1 fish
Rio Tapajós1 fish
Rio Tocantins1 fish
South America (widespread)1 fish
Upper Amazon1 fish
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Livebearers · PoeciliaStaple
Poecilia wingei
Laguna de los Patos, Venezuela · lake
Photo: Dgrummon, CC BY-SA 4.0
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Rasboras & danios · TrigonostigmaStaple
Trigonostigma heteromorpha
Peat swamp streams, Malay Peninsula and Sumatra · swamp or paddy
Photo: NasserHalaweh, CC BY-SA 4.0
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Tetras · CarnegiellaStaple
Jumper. Keep a tight lid on the tank.
Carnegiella strigata
Amazon basin, Peru and Brazil · blackwater stream
Jumper. Keep a tight lid on the tank.
Photo: SOK, CC BY-SA 4.0
Hyphessobrycon pulchripinnis
Rio Tapajós basin, Brazil · river
Photo: Waugsberg, CC BY 2.5
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Shrimp & snails · NeritinaStaple
Invertebrate. Many fish will eat it, so choose tank mates with care.
Neritina natalensis
East African coastal rivers and estuaries · brackish estuary
Invertebrate. Many fish will eat it, so choose tank mates with care.
Photo: Evan Baldonado, CC BY 4.0
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Shrimp & snails · CaridinaStaple
Invertebrate. Many fish will eat it, so choose tank mates with care.
Caridina multidentata
Coastal streams of Japan and Taiwan · stream
Invertebrate. Many fish will eat it, so choose tank mates with care.
Photo: Jolielover, CC BY 4.0
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Rasboras & danios · TanichthysStaple
Tanichthys albonubes
Mountain streams near Guangzhou, China · stream
Photo: Ethmostigmus, CC BY-SA 4.0
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Livebearers · PoeciliaStaple
Long fins. Fin nippers will pick on it.
Poecilia reticulata
Trinidad and northern Venezuela · stream
Long fins. Fin nippers will pick on it.
Photo: Holger Krisp, CC BY 3.0
Hemigrammus rhodostomus
Lower Amazon and Rio Negro, Brazil · blackwater stream
Photo: Gavinevans, CC BY-SA 3.0
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Shrimp & snails · NeocaridinaStaple
Invertebrate. Many fish will eat it, so choose tank mates with care.
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
Paracheirodon 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
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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