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
Corydoras2 fish
Danio2 fish
Hemigrammus2 fish
Paracheirodon2 fish
Poecilia2 fish
Boraras1 fish
Caridina1 fish
Carinotetraodon1 fish
Carnegiella1 fish
Gymnocorymbus1 fish
Melanotaenia1 fish
Mikrogeophagus1 fish
Neocaridina1 fish
Neritina1 fish
Otocinclus1 fish
Puntius1 fish
Sewellia1 fish
Tanichthys1 fish
Trichogaster1 fish
Trichopsis1 fish
Trigonostigma1 fishParacheirodon axelrodi
Rio Negro and upper Orinoco, Brazil and Venezuela · blackwater stream
Photo: Paolo Neo, Public domain
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Rasboras & danios · DanioStaple
Danio margaritatus
Spring-fed ponds, Shan Plateau, Myanmar · pond
Photo: Cisamarc, CC BY-SA 3.0
Puntius titteya
Shaded forest streams, Sri Lanka · stream
Photo: NasserHalaweh, CC BY-SA 4.0
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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
Boraras brigittae
Peat swamps of southwest Borneo · swamp or paddy
Photo: Daiju Azuma, CC BY-SA 4.0
Hyphessobrycon amandae
Rio Araguaia basin, Brazil · river
Photo: Cedricguppy - Loury Cédric, CC BY-SA 4.0
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Livebearers · PoeciliaStaple
Poecilia wingei
Laguna de los Patos, Venezuela · lake
Photo: Dgrummon, CC BY-SA 4.0
Mikrogeophagus ramirezi
Llanos savanna streams, Orinoco basin · stream
Photo: Eric Mengel, Public domain
Hemigrammus erythrozonus
Essequibo River, Guyana · river
Photo: h080, CC BY-SA 2.0
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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
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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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Gouramis & bettas · TrichogasterStaple
Trichogaster chuna
Ponds and ditches of India and Bangladesh · pond
Photo: Vincent Lim Show Chen, CC BY-SA 2.0
Hyphessobrycon pulchripinnis
Rio Tapajós basin, Brazil · river
Photo: Waugsberg, CC BY 2.5
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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
Paracheirodon innesi
Upper Amazon basin: Peru, Colombia, Brazil · blackwater stream
Photo: Holger Krisp, CC BY 3.0
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Other fish · Carinotetraodon
Fin nipper. Keep it away from long-finned fish.
Carinotetraodon travancoricus
Rivers of Kerala, southwest India · river
Fin nipper. Keep it away from long-finned fish.
Photo: 5snake5, CC0
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