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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

All fish

446 fish so far, best known first. 743 more are on the list to be written.

#A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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

WorldLamprey Jawless fish with a sucking mouth found in temperate waters worldwide.Ancient · Rivers and lakes

🇺🇸 United States and 1 moreMexican tetra A freshwater characin with surface and blind cave forms, studied for evolutionary biology.Other · Rivers and lakes

🇺🇸 United StatesAmerican paddlefish Ancient freshwater fish with a sensory snout and filter-feeding habits.Ancient · Rivers and lakes · 1792

🇧🇷 Brazil and 1 moreElectric eel Neotropical freshwater fish capable of generating powerful electric shocks for hunting and defence.Eel · Rivers and lakes · 1766

WorldBasking shark The second-largest living fish, a slow-moving filter feeder found in temperate oceans worldwide.Shark · Coasts and shelves · 1765

🇰🇭 Cambodia and 3 moreMoonlight gourami A small, silvery labyrinth fish native to Southeast Asian rivers and swamps.Other · Rivers and lakes

🇹🇭 Thailand and 4 moreMekong giant catfish A massive freshwater fish native to the Mekong basin, now critically endangered.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.

Sea lamprey: Fernando Losada Rodríguez, CC BY-SA 4.0, source
Lamprey: Tiit Hunt, CC BY-SA 3.0, source
Mexican tetra: User:Haplochromis, CC BY-SA 3.0, source
American paddlefish: Timothy Knepp, Public domain, source
Electric eel: Steven G. Johnson, CC BY-SA 3.0, source
Basking shark: Greg Skomal / NOAA Fisheries Service, Public domain, source
Moonlight gourami: Photo by Greg Hume ( Greg5030 ), CC BY-SA 3.0, source
Mekong giant catfish: KKPCW, CC BY-SA 4.0, source

The weekly digest

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