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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. 40 fish.

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🇺🇸 United States and 4 moreSea lamprey A jawless, parasitic fish native to the Northern Hemisphere that attacks other fish.Ancient · Rivers and lakes · 1758

🇧🇷 Brazil and 4 moreWolf fish A predatory freshwater ray-finned fish found across Central and South America.Other · Rivers and lakes

WorldSnakehead Elongated freshwater predators with air-breathing organs found in Asia and Africa.Other · 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

🇨🇳 China and 3 moreAsian swamp eel A freshwater, air-breathing fish native to Asia and introduced elsewhere.Eel · 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
Wolf fish: J. F. Hennig, Public domain, source
Snakehead: Sir Francis Day, Public domain, source
Spotted gar: Brian.gratwicke on English Wikipedia, CC BY 2.5, source
Asian swamp eel: Leo G. Nico, USGS, Gainesville, FL, 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.