All fish
1,147 fish so far, best known first. 16 more are on the list to be written.
GroupSharkRayCarpCatfishSalmonidHerringCodTunaPerch-likeCichlidReef fishEelFlatfishLivebearerAncientOther
WaterRivers and lakesEstuaries and mangrovesCoasts and shelvesCoral reefsOpen oceanDeep seaPolar and cold seasCaves and springsBetween sea and river
WorldAphyosemion
A large genus of small African killifish kept in home aquariums.Livebearer · Rivers and lakes
WorldRasbora
A diverse genus of small freshwater fish native to South and Southeast Asia.Carp · Rivers and lakes · 1822
🇲🇽 Mexico and 3 moreXiphophorus
A genus of small livebearing fish native to Mexico and Central America, known for aquarium use and genetic research.Livebearer · Rivers and lakes
🇦🇺 Australia and 2 moreRainbowfish
Small colourful freshwater fish from Australia and New GuineaOther · Rivers and lakes · 1894
🇯🇵 JapanJapanese rice fish
Small freshwater fish native to Japan and a key model organism.Other · Rivers and lakes
🇲🇽 MexicoButterfly splitfin
A critically endangered livebearing fish from Mexico.Livebearer · Rivers and lakes · 1971
🇨🇳 ChinaButterfly loach
A small, flat freshwater loach from fast Chinese streams.Other · Rivers and lakes
🇰🇭 Cambodia and 4 moreGyrinocheilus aymonieri
A Southeast Asian freshwater fish known for its suction-like mouth and role in the aquarium trade.Other · Rivers and lakes
🇨🇳 ChinaTelescope goldfish
Fancy goldfish breed with large protruding eyesCarp · Rivers and lakes
🇵🇪 PeruAgassiz's dwarf cichlid
Small Amazonian cichlid with colourful males.Cichlid · Rivers and lakes
WorldCichlid
Diverse freshwater fish family known for parental care and rapid evolution.Cichlid · Rivers and lakes · 1835
🇹🇭 Thailand and 4 moreFire eel
Large spiny eel with red markings from Southeast AsiaOther · Rivers and lakes
🇹🇭 Thailand and 3 morePeacock eel
A small freshwater spiny eel from Southeast Asia.Eel · Rivers and lakes
🇰🇭 Cambodia and 1 moreFigure 8 puffer
A small brackish water pufferfish with distinctive eye-like markings.Other · Rivers and lakes
Sub-Saharan AfricaFreshwater butterflyfish
Surface-dwelling African fish that glides above water.Other · Rivers and lakes
🇮🇩 IndonesiaBoeseman's rainbowfish
A colourful freshwater fish from West Papua lakes.Other · Rivers and lakes
🇵🇬 Papua New GuineaForktail blue-eye
A small freshwater fish from Papua New Guinea rainforests.Livebearer · Rivers and lakes
🇮🇩 IndonesiaDwarf rainbowfish
Small, iridescent freshwater fish from West Papua.Other · Rivers and lakes
🇲🇿 MozambiqueBluefin notho
A small annual killifish from Mozambique kept in aquaria.Livebearer · Rivers and lakes · 1926
🇮🇩 IndonesiaCelebes rainbowfish
A small, transparent silverside from Sulawesi streams.Other · Rivers and lakes
Photo credits on this page
The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.
- Bichir: 5snake5, CC0, source
- Giant snakehead: George Chernilevsky, Public domain, source
- Siamese mud carp: BigYoi, CC BY-SA 4.0, source
- Aphyosemion: Violaine2, CC BY 3.0, source
- Bluegill: Fredlyfish4, CC BY-SA 3.0, source
- Arapaima: George Chernilevsky, Public domain, source
- Giant cichlid: George Albert Boulenger, Public domain, source
- Danio: Soulkeeper, Public domain, source
- Rasbora: Captain R C Beavan, Public domain, source
- Xiphophorus: Marrabbio2, CC BY-SA 3.0, source
- Rainbowfish: Eileen Kortright ( Roan Art ), CC BY 2.5, source
- Killifish: TinoStrauss, CC BY-SA 3.0, source
- Arowana: User:Qwertzy2, CC BY-SA 3.0, source
- Least killifish: Brian Gratwicke, CC BY 2.0, source
- Japanese rice fish: NOZO, CC BY 3.0, source
- Largescale four-eyes: Michael Gäbler, CC BY 3.0, source
- Red-bellied piranha: Gregory Moine, CC BY 2.0, source
- Red-bellied Pacu: Omnitarian, CC BY-SA 3.0, source
- Butterfly splitfin: Przemysław Malkowski, CC BY-SA 3.0, source
- Headstander: Brian Gratwicke, CC BY 2.0, source
- Butterfly loach: Lerdsuwa, CC BY-SA 3.0, source
- Gyrinocheilus aymonieri: Pseudogastromyzon, Public domain, source
- Telescope goldfish: Lawrencekhoo, CC BY-SA 4.0, source
- Ranchu: Lerdsuwa, CC BY-SA 4.0, source
- Tetra: Holger Krisp, CC BY 3.0, source
- Black arowana: Dương Vinh Hoàng, CC BY-SA 4.0, source
- Asian arowana: Marcel Burkhard, CC BY-SA 3.0, source
- Glass knifefish: User:Haplochromis, CC BY-SA 3.0, source
- Agassiz's dwarf cichlid: Sychriscar, CC BY-SA 3.0, source
- Cichlid: mendel, CC BY-SA 1.0, source
- Peacock eel: Unknown author, Public domain, source
- Mbu pufferfish: Liné1, CC BY-SA 3.0, source
- Green spotted puffer: Starseed, CC BY-SA 3.0 de, source
- Figure 8 puffer: ColdmachineUK, CC BY 2.5, source
- Banded archerfish: Chrumps, CC BY-SA 3.0, source
- Freshwater butterflyfish: Toniher, CC BY-SA 3.0, source
- Threadfin rainbowfish: Unknown author, CC BY-SA 2.5, source
- Forktail blue-eye: Dirk Godlinski, CC BY-SA 3.0, source
- Dwarf rainbowfish: Raimond Spekking, CC BY-SA 4.0, source
- Lyretail panchax: Alexander Prokoshev, CC BY-SA 3.0, source
- Celebes rainbowfish: Shigella dysenteriae at English Wikipedia, CC BY-SA 3.0, source
- Clown killi: Oscar le poisson, CC BY-SA 3.0, source