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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

Search: large freshwater

WorldNile perch Large freshwater predator native to Africa, now invasive in many lakes.Other · Rivers and lakes

🇿🇦 South Africa and 4 moreAfrican sharptooth catfish Large airbreathing catfish farmed across Africa and AsiaCatfish · Rivers and lakes

🇳🇬 NigeriaGymnarchus African electric fish with a long dorsal fin used for swimming and sensing prey.Ancient · Rivers and lakes · 1829

🇰🇪 Kenya and 4 moreRipon barbel A large freshwater cyprinid from East African lakes and rivers.Carp · Rivers and lakes · 1900

🇺🇸 United States and 4 moreLargemouth bass A large freshwater predator native to North America, prized by anglers and invasive in many regions.Other · Rivers and lakes · 1802

🇺🇸 United States and 1 moreMuskellunge Large freshwater predatory fish native to North America and the largest member of the pike family.Other · Rivers and lakes

🇸🇷 Suriname and 2 moreRedeye piranha A large freshwater fish from South America with a rhombus-shaped body and red eyes.Other · Rivers and lakes · 1766

🇧🇷 Brazil and 3 moreTambaqui A large freshwater fish from South America known for its heavy body and seed-eating habits.Other · Rivers and lakes

🇨🇺 CubaCuban gar Large tropical freshwater predator native to western Cuba.Other · Rivers and lakes

🇧🇷 Brazil and 1 moreArapaima Large freshwater fish from the Amazon basin known for its size and air-breathing ability.Ancient · Rivers and lakes

🇬🇧 United Kingdom and 1 moreFerox trout Large predatory trout native to deep glacial lakes in Britain and Ireland.Salmonid · Rivers and lakes · 1835

🇷🇺 Russia and 4 moreSiberian sturgeon Large freshwater sturgeon native to Siberian riversAncient · Rivers and lakes

Southeast AsiaGiant snakehead A large freshwater predator from Southeast Asia known for air breathing and invasive potential.Other · Rivers and lakes 🇵🇪 Peru and 1 moreTiticaca orestias Largest killifish of Lake Titicaca, likely extinct.Livebearer · Rivers and lakes

🇧🇷 Brazil and 4 moreHoplias aimara A large freshwater predator from South America known for its size and mercury accumulation.Other · Rivers and lakes · 1846

🇧🇷 Brazil and 1 moreRed-bellied Pacu A large South American freshwater fish related to piranhas, farmed for food and kept in aquariums.Other · Rivers and lakes

🇮🇩 Indonesia and 4 moreAsian arowana Large freshwater fish from Southeast Asia known for its metallic scales and cultural significance.Ancient · Rivers and lakes · 1840 🇹🇭 Thailand and 4 moreFire eel Large spiny eel with red markings from Southeast AsiaOther · Rivers and lakes

Photo credits on this page

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

Nile perch: Pavel Zuber, CC BY-SA 3.0, source
African sharptooth catfish: Unknown author, Public domain, source
Gymnarchus: Wiki-Harfus ; modified by Wildfeuer, CC BY-SA 3.0, source
Ripon barbel: Georges Albert Boulenger, Public domain, source
Largemouth bass: Totti, CC BY-SA 4.0, source
Muskellunge: Engbretson, Eric / U.S. Fish and Wildlife Service, Public domain, source
Redeye piranha: Torox, CC BY-SA 3.0, source
Tambaqui: w_endo, CC0, source
Cuban gar: Poleta33, CC BY-SA 3.0, source
Arapaima: This illustration was made by Citron You must credit this : Citron / C, CC BY-SA 3.0, source
Ferox trout: Alexander Francis Lydon (1836-1917), Public domain, source
Siberian sturgeon: This illustration was made by Citron You must credit this : Citron / C, CC BY-SA 3.0, source
Giant snakehead: George Chernilevsky, Public domain, source
Hoplias aimara: Lars Simonsen, CC BY-SA 3.0, source
Red-bellied Pacu: Omnitarian, CC BY-SA 3.0, source
Asian arowana: Marcel Burkhard, CC BY-SA 3.0, 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.