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RiversEl Niño seen disrupting fish migration patterns SpeciesScientists Discover Mysterious New Fish in the Red Sea – and Have Never Seen It Again OceanEye to eye with Britain's hidden sharks at SharkAdemy - Oceanographic RiversIn October, biologists surveying a New York harbor for invasive fish pulled up a bright yellow one. It wasn't an invasive species at all OceanShedd Aquarium Sends Shark Eggs to Bolster Wild Populations SpeciesA rare fish has been found in Lake Ontario, North America, whose entire body is golden. It is a nati..OceanThe Great Sea Reef Is Fiji’s Wildest Dive, and a New Frontier for Conservation OceanEckerd College professor contributes to designating Biscayne Bay an Important Shark and Ray Area SpeciesRio Verde Grande Survey Identifies Fifty-Three Fish Species Facing Flow Reductions FisheriesAdams River Salmon Run in Thompson-Nicola RiversEl Niño seen disrupting fish migration patterns SpeciesScientists Discover Mysterious New Fish in the Red Sea – and Have Never Seen It Again OceanEye to eye with Britain's hidden sharks at SharkAdemy - Oceanographic RiversIn October, biologists surveying a New York harbor for invasive fish pulled up a bright yellow one. It wasn't an invasive species at all OceanShedd Aquarium Sends Shark Eggs to Bolster Wild Populations SpeciesA rare fish has been found in Lake Ontario, North America, whose entire body is golden. It is a nati..OceanThe Great Sea Reef Is Fiji’s Wildest Dive, and a New Frontier for Conservation OceanEckerd College professor contributes to designating Biscayne Bay an Important Shark and Ray Area SpeciesRio Verde Grande Survey Identifies Fifty-Three Fish Species Facing Flow Reductions FisheriesAdams River Salmon Run in Thompson-Nicola

EveryFish

Large: 60 cm to 1.5 m

Salmon, cod, rohu, catla, groupers and the mahseer. 295 fish.

Tiny Small Medium Large Very large Giant

🇹🇭 Thailand and 1 moreAsian redtail catfish Large Asian bagrid catfish with a bright red tail.Catfish · Rivers and lakes

🇧🇴 Bolivia and 4 moreRipsaw catfish Large thorny catfish native to South American rivers.Catfish · Rivers and lakes

🇧🇷 Brazil and 4 moreTiger shovelnose catfish Large striped South American river catfishCatfish · Rivers and lakes · 1862

🇳🇬 Nigeria and 1 moreElectric catfish African catfish that generates strong electric shocksCatfish · Rivers and lakes

🇹🇭 Thailand and 4 moreIridescent shark Large Southeast Asian catfish farmed for food and kept in aquariums.Catfish · Rivers and lakes

Photo credits on this page

The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.

Ripsaw catfish: Tino Strauss, CC BY-SA 3.0, source
Tiger shovelnose catfish: Lerdsuwa, CC BY-SA 3.0, source
Electric catfish: Stan Shebs, CC BY-SA 3.0, source
Iridescent shark: User:Melanochromis, CC BY-SA 3.0, source

The weekly digest

Every Monday: the fish of the day, new pages on EveryFish, and the conferences and anniversaries of the week ahead.