Large: 60 cm to 1.5 m
Salmon, cod, rohu, catla, groupers and the mahseer. 40 fish.
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 moreShortnose sturgeon
A small, endangered North American sturgeon with a short snout.Ancient · Rivers and lakes · 1818
🇺🇸 United StatesShovelnose sturgeon
Smallest North American freshwater sturgeon, known for its shovel-shaped snout and caviar production.Ancient · Rivers and lakes · 1820
🇲🇽 Mexico and 2 moreTropical gar
A small freshwater predator from Central America known for its armored scales and air-breathing ability.Ancient · Rivers and lakes
🇧🇯 Benin and 4 moreSaddled bichir
A large African freshwater fish with primitive lungs and multiple dorsal finlets.Ancient · Rivers and lakes · 1845
WorldBichir
Ancient African ray-finned fish with multiple dorsal finlets and lung-like air breathing organs.Ancient · Rivers and lakes
WorldLamprey
Jawless fish with a sucking mouth found in temperate waters worldwide.Ancient · Rivers and lakes
🇸🇳 SenegalNile bichir
An ancient African fish with lungs and armour-like scales.Ancient · Rivers and lakes
🇸🇳 Senegal and 3 moreWest African lungfish
Air-breathing freshwater fish from AfricaAncient · Rivers and lakes
🇮🇩 IndonesiaIndonesian coelacanth
A rare brown deep-sea fish found in Indonesian waters.Ancient · Open ocean · 1999
🇸🇳 Senegal and 3 moreSenegal bichir
Ancient African fish that breathes air and walks on landAncient · Rivers and lakes
🇺🇸 United States and 1 moreSpotted gar
A small North American freshwater fish with a long snout and spotted scales.Ancient · Rivers and lakes · 1860
🇺🇸 United States and 1 morePacific lamprey
An anadromous parasitic jawless fish found along the Pacific Rim.Ancient · Rivers and lakes · 1872
🇨🇦 Canada and 1 moreAtlantic hagfish
A jawless marine scavenger known for its slime and lack of true eyes.Ancient · Deep sea · 1758
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
- Shortnose sturgeon: Unknown author, Public domain, source
- Shovelnose sturgeon: Kbh3rd, CC BY-SA 4.0, source
- Tropical gar: AlejandroLinaresGarcia, CC BY-SA 3.0, source
- Saddled bichir: Studdart, CC BY-SA 3.0, source
- Bichir: 5snake5, CC0, source
- Lamprey: Tiit Hunt, CC BY-SA 3.0, source
- Nile bichir: Boulenger, George Albert; Loat, L., Public domain, source
- Indonesian coelacanth: Unknown author, CC BY-SA 2.5, source
- West African lungfish: Gőtehal.jpg : Mathae derivative work: Bff, CC BY 2.5, source
- Spotted gar: Brian.gratwicke on English Wikipedia, CC BY 2.5, source
- Pacific lamprey: Dave Herasimtschuk, US Fish & Wildlife Service, Public domain, source