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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. 295 fish.

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🇺🇸 United States and 3 moreSockeye salmon Anadromous Pacific salmon known for red spawning colour and zooplankton diet.Salmonid · Rivers and lakes · 1792

🇷🇺 Russia and 2 moreMasu salmon Pacific salmonid native to East Asian coasts and rivers.Salmonid · Rivers and lakes

🇺🇸 United StatesCutthroat trout A group of Pacific trout native to western North America, known for red throat markings.Salmonid · Rivers and lakes · 1793

🇦🇲 ArmeniaSevan trout Extinct endemic salmonid of Lake Sevan in ArmeniaSalmonid · Rivers and lakes

🇬🇧 United Kingdom and 3 moreSea trout Anadromous form of brown trout that migrates between sea and rivers.Salmonid · Between sea and river

🇯🇵 JapanBiwa trout Salmonid fish endemic to Lake Biwa in JapanSalmonid · Rivers and lakes · 2025

🇺🇸 United States and 1 moreBrook trout A colorful freshwater char native to eastern North America, known for its spotted pattern and status as a popular game fSalmonid · Rivers and lakes · 1814

WorldBrown trout A widespread salmonid with river, lake and sea forms.Salmonid · Rivers and lakes · 1758

🇷🇺 Russia and 3 moreChum salmon A Pacific salmon species known for its large size and wide distribution across the North Pacific.Salmonid · Rivers and lakes · 1836

🇺🇸 United States and 2 moreSteelhead Anadromous form of the rainbow trout that migrates between ocean and freshwater.Salmonid · Between sea and river

Photo credits on this page

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

Sockeye salmon: Timothy Knepp of the Fish and Wildlife Service., Public domain, source
Masu salmon: KENPEI, CC BY-SA 3.0, source
Cutthroat trout: Hazzard, Lloyde / U.S. Fish and Wildlife Service, Public domain, source
Sevan trout: Dmitry Ivanov, CC BY 4.0, source
Sea trout: No machine-readable author provided. Wolfgang Striewski assumed (based, Public domain, source
Biwa trout: No machine-readable author provided. Vineyard assumed (based on copyri, CC BY-SA 3.0, source
Brook trout: Engbretson, Eric, Public domain, source
Brown trout: Duane Raver, U.S. Fish and Wildlife Service, Public domain, source
Chum salmon: Focus Saranpat Ouilapan, CC0, source
Steelhead: Tobin John, U.S. Fish and Wildlife Service, Public domain, source

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