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.
Corydoras4 fish
Hyphessobrycon3 fish
Panaqolus3 fish
Poecilia3 fish
Ancistrus2 fish
Danio2 fish
Hemigrammus2 fish
Hypancistrus2 fish
Melanotaenia2 fish
Paracheirodon2 fish
Pseudacanthicus2 fish
Trichogaster2 fish
Aphanotorulus1 fish
Baryancistrus1 fish
Boraras1 fish
Caridina1 fish
Carinotetraodon1 fish
Carnegiella1 fish
Chaetostoma1 fish
Crossocheilus1 fish
Gymnocorymbus1 fish
Hypostomus1 fish
Neocaridina1 fish
Neritina1 fish
Otocinclus1 fish
Panaque1 fish
Pangio1 fish
Peckoltia1 fish
Pelvicachromis1 fish
Pethia1 fish
Phenacogrammus1 fish
Pterygoplichthys1 fish
Puntigrus1 fish
Puntius1 fish
Rineloricaria1 fish
Tanichthys1 fish
Trichopodus1 fish
Trichopsis1 fish
Trigonostigma1 fish
Xiphophorus1 fish
Southeast Asia8 fish
South Asia6 fish
Africa3 fish
Amazon3 fish
East Asia3 fish
Orinoco3 fish
Rio Madeira3 fish
Rio Negro3 fish
Caribbean coast2 fish
Mexico & Central America2 fish
New Guinea2 fish
South America (widespread)2 fish
Tapajós2 fish
Tocantins2 fish
Xingu2 fish
Curuá1 fish
Essequibo1 fish
Guaviare1 fish
Guianas1 fish
Nanay1 fish
Rio Tapajós1 fish
Rio Tocantins1 fish
Suriname1 fish
Upper Amazon1 fish
Unknown origin2 fish
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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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Plecos · PseudacanthicusRare
Spotted cactus pleco with orange-edged fins.
Pseudacanthicus leopardus
Rupununi and Essequibo, Guyana, and the Rio Branco, Brazil · rapids
Spotted cactus pleco with orange-edged fins. Large, spiny and aggressive with other plecos.
Photo: Sesamehoneytart, CC BY-SA 3.0
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Plecos · BaryancistrusRare
Black with yellow spots and gold fin edges.
Baryancistrus xanthellus
Rio Xingu, and the Rio Iriri for L177 · rapids
Black with yellow spots and gold fin edges. Grows larger than Hypancistrus and holds a territory.
Photo: Anne Blindheim, CC BY-SA 3.0
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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
Pethia conchonius
Rivers of northern India · river
Photo: Usien, CC0
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Gouramis & bettas · Trichopodus
Long fins. Fin nippers will pick on it.
Trichopodus leerii
Peat swamps of Malaysia, Sumatra and Borneo · swamp or paddy
Long fins. Fin nippers will pick on it.
Photo: BEDO (Thailand), 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 · CrossocheilusStaple
Crossocheilus oblongus
Streams of Thailand and the Malay Peninsula · stream
Photo: User:Ark pl wiki, CC BY 3.0
Hypostomus soniae
Rio Tapajós, Brazil · river
Photo: FCBThunder, CC BY-SA 4.0
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
Corydoras pygmaeus
Rio Madeira basin, Brazil · river
Photo: AquaTuer, CC BY-SA 4.0
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Corydoras · CorydorasStaple
Corydoras aeneus
Widespread in South America · stream
Photo: Andrew Keller, CC0
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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
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