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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. 104 fish.

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🇺🇸 United States and 2 moreAmerican gizzard shad A silvery freshwater forage fish with a muscular gizzard.Herring · Rivers and lakes 🇵🇪 Peru and 1 moreTiticaca orestias Largest killifish of Lake Titicaca, likely extinct.Livebearer · Rivers and lakes

🇷🇺 Russia and 1 moreRuffe A small, aggressive freshwater fish native to Eurasia that has become a major invasive pest in North America.Perch-like · Rivers and lakes · 1758

🇧🇷 Brazil and 1 moreLargescale four-eyes Surface-dwelling fish with split eyes for dual vision.Livebearer · Rivers and lakes · 1758

WorldDamselfish Small marine fish known for aggressive territorial behaviour and reef farming.Reef fish · Coasts and shelves

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

🇵🇪 Peru and 1 moreGreen terror A large, aggressive South American cichlid kept in aquariums.Cichlid · Rivers and lakes

Photo credits on this page

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

American gizzard shad: Unknown author, Public domain, source
Ruffe: Tiit Hunt, CC BY-SA 3.0, source
Largescale four-eyes: Michael Gäbler, CC BY 3.0, source
Damselfish: Nick Hobgood, CC BY-SA 3.0, source
Devils Hole pupfish: Olin Feuerbacher / USFWS, Public domain, source
Green terror: MidgleyDJ (Dr. David Midgley) at en.wikipedia., CC BY 2.5, source

The weekly digest

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