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
🇸🇳 Senegal and 4 moreAfrican arowana
Plankton-eating bonytongue fish native to African riversOther · Rivers and lakes
🇱🇰 Sri LankaOrnate paradisefish
A tiny carnivorous gourami from Sri Lankan streams.Other · Rivers and lakes
WorldGuntea loach
A small Asian loach that breathes through its gut to survive in poor water.Other · Rivers and lakes
🇮🇳 India and 1 moreHoney gourami
Small orange freshwater fish from India and BangladeshOther · Rivers and lakes
🇮🇳 India and 1 moreMalabar danio
A small, striped freshwater fish from India and Sri Lanka.Other · Rivers and lakes · 1849
WorldJarbua terapon
A striped Indo-Pacific fish found in seas and rivers.Other · Rivers and lakes · 1775
🇮🇳 IndiaBorna snakehead
A rare small snakehead from the Chel River.Other · Rivers and lakes
🇬🇧 United Kingdom and 1 moreSpined loach
Small European freshwater fish with a defensive eye spineOther · Rivers and lakes
🇬🇾 Guyana and 1 moreGlowlight tetra
Small freshwater fish with a bright orange stripeOther · Rivers and lakes
🇻🇪 Venezuela and 3 moreBlack ghost knifefish
Nocturnal electric fish from South American riversOther · Rivers and lakes · 1766
🇦🇺 AustraliaSpangled grunter
Hardy Australian freshwater fish with reddish spotsOther · Rivers and lakes · 1859
🇦🇺 Australia and 1 moreBig-belly seahorse
The largest seahorse species, found in southern Australia and New Zealand.Other · Coasts and shelves
WorldGrouper
Marine ray-finned fish in the family Epinephelidae, known for large size and commercial value.Shark · Coasts and shelves
🇺🇸 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.
- Six-banded distichodus: S Willams, CC BY 3.0, source
- African arowana: George Albert Boulenger, Public domain, source
- Ceylonese combtail: H. Zell, CC BY-SA 3.0, source
- Ornate paradisefish: Klaus de Leuw, CC BY-SA 3.0, source
- Guntea loach: Sir Francis Day, Public domain, source
- Honey gourami: Antoondommerholt at Dutch Wikipedia, CC BY-SA 3.0, source
- Giant danio: Faucon, CC BY-SA 2.5, source
- Dwarf gourami: Unknown author, Public domain, source
- Malabar danio: Original uploader was Przemysław Malkowski ( Pmalkowski at en.wikipedi, CC BY 3.0, source
- Dwarf pufferfish: 5snake5, CC0, source
- Jarbua terapon: Sahat Ratmuangkhwang, CC BY 3.0, source
- Dwarf snakehead: 5snake5, CC0, source
- Golden trevally: https://www.flickr.com/photos/maveric2003/2090061297/in/photostream/, CC BY 2.0, source
- Gangetic leaffish: Nilesh Heda, Public domain, source
- Freshwater garfish: Guérin Nicolas ( messages ), CC BY-SA 3.0, source
- Tank goby: Aqmal-Naser et al. (2023), CC BY 4.0, source
- Clown featherback: Mistvan, CC BY-SA 3.0, source
- Bronze featherback: Swaine (printer), Public domain, source
- Spined loach: J.C. Harf (User Wiki-Harfus on de.wikipedia ), CC BY-SA 3.0, source
- Porkfish: Diego Delso, CC BY-SA 4.0, source
- Glowlight tetra: Tetra_Glowlight.jpg : gonzalovalenzuela derivative work: Kyknos ( talk, CC BY 2.0, source
- Black ghost knifefish: Photo by and (c)2005 Derek Ramsey ( Ram-Man ), CC BY-SA 2.5, source
- Gulf saratoga: Ginkgo100, CC BY-SA 3.0, source
- Southern saratoga: Viktor Kravtchenko, CC BY 3.0, source
- Murray River rainbowfish: Bahudhara, CC BY-SA 3.0, source
- Spangled grunter: James Douglas Ogilby / Allan Riverstone McCulloch, Public domain, source
- Big-belly seahorse: Unknown author, CC BY-SA 2.5, source
- Lined seahorse: No machine-readable author provided. Stevenj assumed (based on copyrig, CC BY-SA 3.0, source
- Spiny seahorse: Nhobgood Nick Hobgood, CC BY-SA 3.0, source
- Common seahorse: Nhobgood Nick Hobgood, CC BY-SA 3.0, source
- Bargibant's seahorse: Christian Gloor, CC BY 2.0, source
- Grouper: Photo2222, CC BY-SA 3.0, source
- Snakeskin gourami: Bochr, CC BY-SA 3.0, source
- Giant gourami: Joshua Sherurcij, Attribution, source
- Yoyo loach: Orishas92, Public domain, source
- Striped bass: Steven G. Johnson, CC BY-SA 3.0, source
- Alligator gar: Cymothoa exigua, CC BY-SA 3.0, source
- Payara: Oudart, Public domain, source
- Pufferfish: Unknown author, Public domain, source
- Goliath tigerfish: Sablegsd, CC BY-SA 3.0, source