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.
Hypancistrus14 fish
Peckoltia5 fish
Ancistrus4 fish
Corydoras4 fish
Panaqolus4 fish
Pseudacanthicus4 fish
Baryancistrus3 fish
Hyphessobrycon3 fish
Leporacanthicus3 fish
Poecilia3 fish
Scobinancistrus3 fish
Danio2 fish
Hemiancistrus2 fish
Hemigrammus2 fish
Melanotaenia2 fish
Mikrogeophagus2 fish
Panaque2 fish
Paracheirodon2 fish
Trichogaster2 fish
Xiphophorus2 fish
Apistogramma1 fish
Astronotus1 fish
Beaufortia1 fish
Betta1 fish
Boraras1 fish
Carassius1 fish
Caridina1 fish
Carinotetraodon1 fish
Carnegiella1 fish
Chromobotia1 fish
Crossocheilus1 fish
Gymnocorymbus1 fish
Neocaridina1 fish
Neritina1 fish
Otocinclus1 fish
Pangio1 fish
Pelvicachromis1 fish
Pethia1 fish
Phenacogrammus1 fish
Pterophyllum1 fish
Pterygoplichthys1 fish
Puntigrus1 fish
Puntius1 fish
Rineloricaria1 fish
Sewellia1 fish
Symphysodon1 fish
Tanichthys1 fish
Trichopodus1 fish
Trichopsis1 fish
Trigonostigma1 fish
Xingu13 fish
Southeast Asia11 fish
Amazon9 fish
Orinoco8 fish
South Asia6 fish
East Asia5 fish
Rio Negro5 fish
Tocantins5 fish
Rio Madeira4 fish
Tapajós4 fish
Africa3 fish
Mexico & Central America3 fish
Caribbean coast2 fish
Curuá2 fish
New Guinea2 fish
South America (widespread)2 fish
Essequibo1 fish
Guianas1 fish
Nanay1 fish
Rio Tapajós1 fish
Rio Tocantins1 fish
Upper Amazon1 fish
Unknown origin7 fish
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Rasboras & danios · DanioStaple
Danio margaritatus
Spring-fed ponds, Shan Plateau, Myanmar · pond
Photo: Cisamarc, CC BY-SA 3.0
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Rasboras & danios · DanioStaple
Danio rerio
Streams and paddies of India and Bangladesh · stream
Photo: Roundish, CC0
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
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Plecos · PanaqolusUncommon
Orange-and-dark banded Panaqolus, also sold as the Alenquer tiger.
Near Alenquer, lower Amazon, Brazil · river
Orange-and-dark banded Panaqolus, also sold as the Alenquer tiger. Needs driftwood.
Photo: Fish Tank Society, CC BY-SA 4.0
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Plecos · PanaqolusStaple
A small wood-eater with orange bands.
Panaqolus maccus
Orinoco basin, Venezuela and Colombia · river
A small wood-eater with orange bands. Needs driftwood to rasp and tops out around 28°C.
Photo: Jarne Colman, CC0
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Rainbowfish · Melanotaenia
Melanotaenia praecox
Mamberamo River basin, New Guinea · stream
Photo: Raimond Spekking, CC BY-SA 4.0
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Plecos · HypancistrusCR
Brazil banned wild export, so Canadian stock is tank-bred.
Hypancistrus zebra
Volta Grande of the Rio Xingu, Brazil · rapids
Brazil banned wild export, so Canadian stock is tank-bred. Clean, even stripes where L236 are broken and patchy.
Photo: Birger A, CC BY-SA 3.0
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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
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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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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
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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
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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