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SpeciesScientists Discover Mysterious New Fish in the Red Sea – and Have Never Seen It AgainOceanEye to eye with Britain's hidden sharks at SharkAdemy - OceanographicRiversIn October, biologists surveying a New York harbor for invasive fish pulled up a bright yellow one. It wasn't an invasive species at allOceanShedd Aquarium Sends Shark Eggs to Bolster Wild PopulationsSpeciesA 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 ConservationOceanEckerd College professor contributes to designating Biscayne Bay an Important Shark and Ray AreaSpeciesRio Verde Grande Survey Identifies Fifty-Three Fish Species Facing Flow ReductionsFisheriesAdams River Salmon Run in Thompson-NicolaIndiaHilsa production dropped 26% in five years, fisheries minister tells parliamentSpeciesScientists Discover Mysterious New Fish in the Red Sea – and Have Never Seen It AgainOceanEye to eye with Britain's hidden sharks at SharkAdemy - OceanographicRiversIn October, biologists surveying a New York harbor for invasive fish pulled up a bright yellow one. It wasn't an invasive species at allOceanShedd Aquarium Sends Shark Eggs to Bolster Wild PopulationsSpeciesA 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 ConservationOceanEckerd College professor contributes to designating Biscayne Bay an Important Shark and Ray AreaSpeciesRio Verde Grande Survey Identifies Fifty-Three Fish Species Facing Flow ReductionsFisheriesAdams River Salmon Run in Thompson-NicolaIndiaHilsa production dropped 26% in five years, fisheries minister tells parliament
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🇪🇬 Egypt and 4 moreNile tilapia A hardy cichlid farmed globally for food.Cichlid · Rivers and lakes · 1758 🇮🇳 India and 4 moreRohu A large silver carp from South Asian rivers, farmed for food and prized as a game fish.Carp · Rivers and lakes 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 WorldSilver dollar Round, silver tropical fish related to piranhas, popular in aquariums.Other · Rivers and lakes 🇦🇺 AustraliaLungfish Ancient freshwater fish that breathe air and have lobed fins.Ancient · Rivers and lakes 🇺🇸 United States and 1 moreLake sturgeon A large, long-lived freshwater fish native to North America.Ancient · Rivers and lakes 🇺🇸 United StatesShovelnose sturgeon Smallest North American freshwater sturgeon, known for its shovel-shaped snout and caviar production.Ancient · Rivers and lakes · 1820 🇺🇸 United StatesPallid sturgeon An endangered North American sturgeon species native to the Missouri and Mississippi river basins.Ancient · Rivers and lakes · 1905 🇲🇽 Mexico and 2 moreTropical gar A small freshwater predator from Central America known for its armored scales and air-breathing ability.Ancient · Rivers and lakes 🇺🇸 United States and 2 moreGar Ancient armored fish with lung-like swim bladders found in North American waters.Ancient · Rivers and lakes · 1758 🇧🇯 Benin and 4 moreSaddled bichir A large African freshwater fish with primitive lungs and multiple dorsal finlets.Ancient · Rivers and lakes · 1845 WorldLamprey Jawless fish with a sucking mouth found in temperate waters worldwide.Ancient · Rivers and lakes 🇧🇷 Brazil and 4 moreMawsonia Extinct giant coelacanth from the Jurassic and Cretaceous periods.Ancient · Rivers and lakes · 1907 🇺🇸 United States and 1 moreKnightia Extinct herring-like fish from the Green River Formation, famous for its abundant fossils.Herring · Rivers and lakes · 1856 🇧🇼 Botswana and 1 moreAfrican tigerfish Predatory freshwater fish known for sharp teeth and leaping hunting behaviour.Other · Rivers and lakes · 1861 🇳🇬 NigeriaGymnarchus African electric fish with a long dorsal fin used for swimming and sensing prey.Ancient · Rivers and lakes · 1829 🇺🇬 Uganda and 2 moreSilver cyprinid A small pelagic fish from Lake Victoria that supports regional food security.Other · Rivers and lakes WorldLeopard bush fish A freshwater labyrinth fish from the Congo River basin kept in home aquariums.Other · Rivers and lakes 🇺🇬 UgandaNangnang fish A small freshwater fish from the Nile basin, prized as a fried snack in Uganda.Other · Rivers and lakes 🇰🇪 Kenya and 4 moreRipon barbel A large freshwater cyprinid from East African lakes and rivers.Carp · Rivers and lakes · 1900 Sub-Saharan AfricaSynodontis A large African genus of spotted catfish known for squeaking sounds and belly-up swimming.Catfish · Rivers and lakes 🇺🇸 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 StatesSpotted bass A North American freshwater fish known for dark spots below its lateral line.Other · Rivers and lakes 🇺🇸 United StatesGuadalupe bass A rare Texas endemic black bass prized by anglers for its fighting spirit.Other · Rivers and lakes 🇺🇸 United States and 2 morePumpkinseed A small freshwater fish native to eastern North America, known for its bright colours and red ear flap.Perch-like · Rivers and lakes · 1793 🇺🇸 United States and 3 moreBlack crappie A spotted freshwater sunfish native to North America, prized by anglers for its sport and table fare.Perch-like · Rivers and lakes · 1856 🇺🇸 United States and 2 moreGreen sunfish A small, aggressive freshwater fish native to North America, known for its blue-green colour and invasive potential in nPerch-like · Rivers and lakes 🇺🇸 United States and 1 moreSauger A freshwater perch species native to North American rivers.Perch-like · Rivers and lakes · 1834 🇺🇸 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 🇧🇷 Brazil and 4 moreWolf fish A predatory freshwater ray-finned fish found across Central and South America.Other · 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 StatesWhite sucker A common North American freshwater cypriniform fish with fleshy lips used for bottom feeding.Other · Rivers and lakes · 1803 🇨🇦 Canada and 1 moreBigmouth buffalo A long-lived North American freshwater fish known for its terminal mouth and exceptional lifespan.Catfish · Rivers and lakes Latin America and the CaribbeanLeporinus South American freshwater fish genus in the Anostomidae familyOther · Rivers and lakes 🇬🇧 United KingdomSchelly Rare whitefish of the English Lake DistrictSalmonid · Rivers and lakes 🇺🇸 United StatesAmerican paddlefish Ancient freshwater fish with a sensory snout and filter-feeding habits.Ancient · Rivers and lakes · 1792 🇷🇺 Russia and 1 moreBaikal black grayling A Siberian freshwater salmonid found in Lake Baikal and surrounding river systems.Salmonid · Rivers and lakes 🇨🇳 China and 4 moreChinese hooksnout carp A small freshwater minnow native to East and Southeast Asia.Carp · Rivers and lakes 🇹🇭 Thailand and 3 moreSiamese tigerfish A critically endangered freshwater perch from Indochina.Perch-like · Rivers and lakes · 1998 🇨🇺 CubaCuban gar Large tropical freshwater predator native to western Cuba.Other · Rivers and lakes 🇧🇷 BrazilBanded leporinus A striped freshwater fish from the Amazon kept in home tanks and occasionally caught by anglers.Other · Rivers and lakes WorldSnakehead Elongated freshwater predators with air-breathing organs found in Asia and Africa.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 🇦🇹 Austria and 4 moreStreber A small freshwater perch found in fast-flowing European rivers.Perch-like · Rivers and lakes 🇬🇧 United KingdomGwyniad Rare whitefish found only in one Welsh lakeSalmonid · Rivers and lakes · 1848 🇩🇪 Germany and 4 moreZingel A fast-water perch from southeastern Europe.Perch-like · Rivers and lakes · 1766 🇬🇧 United Kingdom and 1 moreFerox trout Large predatory trout native to deep glacial lakes in Britain and Ireland.Salmonid · Rivers and lakes · 1835 🇮🇳 India and 4 moreZebrafish Small striped fish from South Asia kept in aquariums and labsCarp · Rivers and lakes 🇸🇳 Senegal and 3 moreWest African lungfish Air-breathing freshwater fish from AfricaAncient · Rivers and lakes 🇷🇺 Russia and 4 moreSiberian sturgeon Large freshwater sturgeon native to Siberian riversAncient · Rivers and lakes WorldFeatherbacks and knifefishes Freshwater bony-tongued fishes with long anal finsOther · Rivers and lakes WorldNinespine stickleback Small freshwater fish with variable spines found across the Northern Hemisphere.Other · Rivers and lakes EuropeEuropean bullhead Small freshwater sculpin found in European rivers and streams.Other · Rivers and lakes Southeast AsiaGiant snakehead A large freshwater predator from Southeast Asia known for air breathing and invasive potential.Other · Rivers and lakes 🇹🇭 Thailand and 2 moreSiamese mud carp Freshwater cyprinid native to Mekong and Chao Phraya riversCarp · Rivers and lakes 🇨🇳 China and 1 moreMandarin fish Freshwater predatory perch native to East AsiaPerch-like · Rivers and lakes · 1855 Titicaca orestias 🇵🇪 Peru and 1 moreTiticaca orestias Largest killifish of Lake Titicaca, likely extinct.Livebearer · Rivers and lakes

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