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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

Medium: 20 to 60 cm

Hilsa, mackerel, trout, tilapia and most food fish. 265 fish.

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WorldRound goby Small bottom-dwelling fish native to Eurasia and invasive in North AmericaOther · Rivers and lakes

🇦🇴 Angola and 3 moreAtlantic mudskipper Semi-aquatic goby that walks on mudflats in West Africa.Other · Rivers and lakes · 1766

🇺🇸 United StatesDevils Hole pupfish A tiny fish found only in one cavern in Nevada.Other · Rivers and lakes · 1930

🇬🇧 United Kingdom and 4 moreStone loach A small European freshwater fish that hides under gravel and hunts at night.Other · Rivers and lakes

WorldNorthern whiting A widespread marine fish found in the Indo-Pacific, known for its silvery body and ability to bury itself in sand.Other · Coasts and shelves · 1775

🇻🇪 Venezuela and 3 moreBlack ghost knifefish Nocturnal electric fish from South American riversOther · Rivers and lakes · 1766

WorldStickleback A family of small ray-finned fishes with dorsal spines found across the Northern Hemisphere.Other · Rivers and lakes · 1758

Photo credits on this page

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

Round goby: Peter van der Sluijs, CC BY-SA 3.0, source
Atlantic mudskipper: Bjørn Christian Tørrissen, CC BY-SA 4.0, source
Devils Hole pupfish: Olin Feuerbacher / USFWS, Public domain, source
Stone loach: Michal Maňas, CC BY 3.0, source
Northern whiting: Kare, CC BY 3.0, source
Black ghost knifefish: Photo by and (c)2005 Derek Ramsey ( Ram-Man ), CC BY-SA 2.5, source
Stickleback: Ghegeman, CC BY-SA 4.0, 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.