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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 IndiaHilsa production dropped 26% in five years, fisheries minister tells parliament 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 IndiaHilsa production dropped 26% in five years, fisheries minister tells parliament

EveryFish

Large: 60 cm to 1.5 m

Salmon, cod, rohu, catla, groupers and the mahseer. 288 fish.

Tiny Small Medium Large Very large Giant

🇨🇦 Canada and 1 moreBigmouth buffalo A long-lived North American freshwater fish known for its terminal mouth and exceptional lifespan.Catfish · Rivers and lakes

🇺🇸 United States and 1 moreYellow bullhead A medium-sized North American catfish known for its bright yellow belly and scavenging habits.Catfish · Rivers and lakes · 1819

🇺🇸 United StatesBlack bullhead A small, hardy North American catfish that tolerates poor water conditions and feeds at night.Catfish · Rivers and lakes

🇺🇸 United States and 1 moreGafftopsail catfish Marine catfish with venomous spines and mouthbrooding malesCatfish · Coasts and shelves

🇧🇷 BrazilGilded catfish A large South American catfish found in the Amazon and Orinoco basins.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

🇹🇭 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.

Bigmouth buffalo: Unknown author, Public domain, source
Yellow bullhead: Eric Engbretson/U.S. Fish and Wildlife Service, Public domain, source
Black bullhead: George Chernilevsky, CC BY-SA 4.0, source
Gafftopsail catfish: Bobby McCabe, CC BY 4.0, source
Gilded catfish: François-Louis Laporte, comte de Castelnau, Public domain, source
Ripsaw catfish: Tino Strauss, CC BY-SA 3.0, source
Tiger shovelnose catfish: Lerdsuwa, 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.