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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

Very large: 1.5 to 4 m

Tuna, marlin, sturgeon, the larger sharks and rays. 38 fish.

Tiny Small Medium Large Very large Giant

WorldNile perch Large freshwater predator native to Africa, now invasive in many lakes.Other · Rivers and lakes

🇿🇦 South Africa and 4 moreAfrican sharptooth catfish Large airbreathing catfish farmed across Africa and AsiaCatfish · Rivers and lakes

🇵🇭 Philippines and 4 moreMilkfish The sole living species of the family Chanidae, found across the Indo-Pacific.Other · Coasts and shelves

🇺🇸 United States and 2 moreLongnose gar A primitive ray-finned fish with a long snout and armored scales found in North America.Other · Rivers and lakes · 1758

🇺🇸 United States and 2 moreGar Ancient armored fish with lung-like swim bladders found in North American waters.Ancient · Rivers and lakes · 1758

🇨🇺 CubaCuban gar Large tropical freshwater predator native to western Cuba.Other · Rivers and lakes

🇺🇸 United StatesBlue catfish A large North American catfish known for its size and invasive spread in eastern US waters.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.

Nile perch: Pavel Zuber, CC BY-SA 3.0, source
African sharptooth catfish: Unknown author, Public domain, source
Milkfish: Wiki Farazi, CC0, source
Longnose gar: USFWS Mountain-Prairie, Public domain, source
Gar: Unknown author, Public domain, source
Cuban gar: Poleta33, CC BY-SA 3.0, source
Blue catfish: Duane Raver - U.S. Fish and Wildlife Service, Public domain, source

The weekly digest

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