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
🇺🇸 United States and 4 moreSea lamprey
A jawless, parasitic fish native to the Northern Hemisphere that attacks other fish.Ancient · Rivers and lakes · 1758
🇷🇺 RussiaSterlet
A small Eurasian sturgeon found in rivers flowing to the Black, Azov, and Caspian seas.Ancient · Rivers and lakes · 1758
🇺🇸 United States and 1 moreLake sturgeon
A large, long-lived freshwater fish native to North America.Ancient · Rivers and lakes
🇷🇺 Russia and 2 moreKaluga
A massive semi-anadromous sturgeon from the Amur River basin hunted for caviar.Ancient · Rivers and lakes · 1872
🇺🇸 United StatesShovelnose sturgeon
Smallest North American freshwater sturgeon, known for its shovel-shaped snout and caviar production.Ancient · Rivers and lakes · 1820
WorldLamprey
Jawless fish with a sucking mouth found in temperate waters worldwide.Ancient · Rivers and lakes
🇺🇸 United StatesAmerican paddlefish
Ancient freshwater fish with a sensory snout and filter-feeding habits.Ancient · Rivers and lakes · 1792
🇧🇷 Brazil and 1 moreArapaima
Large freshwater fish from the Amazon basin known for its size and air-breathing ability.Ancient · Rivers and lakes
🇨🇳 ChinaChinese paddlefish
A giant freshwater predator from China that is now extinct.Ancient · Rivers and lakes · 1862
🇨🇳 ChinaChinese sturgeon
Critically endangered giant migratory fish of the YangtzeAncient · Rivers and lakes
🇨🇳 ChinaDabry's sturgeon
Freshwater sturgeon native to the Yangtze River basin in China.Ancient · Rivers and lakes
WorldPersian sturgeon
A large Caspian Sea fish prized for caviar.Ancient · Coasts and shelves
WorldStarry sturgeon
Long-snouted sturgeon from the Caspian and Black Seas.Ancient · Rivers and lakes
🇫🇮 Finland and 4 moreEuropean river lamprey
A parasitic freshwater and marine fish found across Europe.Ancient · Rivers and lakes
🇳🇿 New Zealand and 3 morePouched lamprey
Southern hemisphere migratory lamprey with a unique breeding pouchAncient · Rivers and lakes
🇷🇺 Russia and 4 moreRussian sturgeon
Large anadromous sturgeon of the Black and Caspian Seas.Ancient · Rivers and lakes
🇺🇸 United States and 1 moreWhite sturgeon
Large North American sturgeon found in Pacific rivers and estuaries.Ancient · Rivers and lakes
🇨🇦 Canada and 3 moreSturgeon
Ancient fish with bony plates and heterocercal tails, known for caviar.Ancient · Rivers and lakes
Photo credits on this page
The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.
- Sea lamprey: Fernando Losada Rodríguez, CC BY-SA 4.0, source
- Sterlet: Karelj, Public domain, source
- Lake sturgeon: USFWS Mountain-Prairie, Public domain, source
- Kaluga: あおもりくま（Aomorikuma）, CC BY-SA 3.0, source
- Shovelnose sturgeon: Kbh3rd, CC BY-SA 4.0, source
- Lamprey: Tiit Hunt, CC BY-SA 3.0, source
- American paddlefish: Timothy Knepp, Public domain, source
- Arapaima: This illustration was made by Citron You must credit this : Citron / C, CC BY-SA 3.0, source
- Chinese paddlefish: Muséum d'histoire Naturelle, Public domain, source
- Chinese sturgeon: Shizhao, CC BY-SA 3.0, source
- Dabry's sturgeon: Josephe Huët, Public domain, source
- Persian sturgeon: A. Abdoli, CC0, source
- Starry sturgeon: Unknown author, Public domain, source
- Sturgeon: Duane Raver/U.S. Fish and Wildlife Service, Public domain, source
- Pouched lamprey: Peter Anderson, CC BY-SA 4.0, source
- White sturgeon: Oregon Department of Fish & Wildlife, CC BY-SA 2.0, source
- Russian sturgeon: Daniel Döhne, CC BY-SA 3.0, source