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
WorldRound goby
Small bottom-dwelling fish native to Eurasia and invasive in North AmericaOther · Rivers and lakes
🇺🇸 United StatesDelta smelt
A tiny, endangered fish native to California's Sacramento-San Joaquin River Delta.Other · Rivers and lakes · 1963
🇦🇴 Angola and 3 moreAtlantic mudskipper
Semi-aquatic goby that walks on mudflats in West Africa.Other · Rivers and lakes · 1766
🇨🇺 CubaCuban gar
Large tropical freshwater predator native to western Cuba.Other · Rivers and lakes
WorldThree-spined stickleback
Small northern fish known for rapid evolution and complex breeding.Other · Rivers and lakes
🇯🇵 JapanJapanese rice fish
Small freshwater fish native to Japan and a key model organism.Other · Rivers and lakes
South AsiaGreen spotted puffer
Small brackish water pufferfish with a tiny genomeOther · Rivers and lakes
WorldNorthern whiting
A widespread marine fish found in the Indo-Pacific, known for its silvery body and ability to bury itself in sand.Other · Coasts and shelves · 1775
🇵🇰 PakistanElongate glassy perchlet
Small translucent fish from South Asian watersOther · Rivers and lakes
WorldStickleback
A family of small ray-finned fishes with dorsal spines found across the Northern Hemisphere.Other · Rivers and lakes · 1758
🇯🇵 JapanJapanese puffer
A small-genome pufferfish used in genomics and cuisine.Other · Coasts and shelves
WorldBeluga sturgeon
A massive anadromous fish from the Caspian and Black Sea basins, prized for its caviar.Other · Rivers and lakes
🇺🇸 United States and 1 moreAlligator gar
A large, primitive freshwater fish native to North America known for its armored scales and air-breathing ability.Other · Rivers and lakes · 1803
Photo credits on this page
The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.
- Round goby: Peter van der Sluijs, CC BY-SA 3.0, source
- Delta smelt: Peterson, B. Moose / U.S. Fish and Wildlife Service, Public domain, source
- Atlantic mudskipper: Bjørn Christian Tørrissen, CC BY-SA 4.0, source
- Cuban gar: Poleta33, CC BY-SA 3.0, source
- Three-spined stickleback: Gilles San Martin, CC BY-SA 2.0, source
- Japanese rice fish: NOZO, CC BY 3.0, source
- Green spotted puffer: Starseed, CC BY-SA 3.0 de, source
- Northern whiting: Kare, CC BY 3.0, source
- Elongate glassy perchlet: Captain R C Beavan, Public domain, source
- Stickleback: Ghegeman, CC BY-SA 4.0, source
- Japanese puffer: Totti, CC BY-SA 4.0, source
- Beluga sturgeon: Daniel Döhne, CC BY-SA 3.0, source
- Alligator gar: Cymothoa exigua, CC BY-SA 3.0, source