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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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🇬🇹 Guatemala and 4 moreConvict cichlid Striped Central American cichlid popular in home aquariumsCichlid · Rivers and lakes · 1867 Sub-Saharan AfricaPrincess cichlid A cooperative schooling cichlid from Lake Tanganyika.Cichlid · Rivers and lakes 🇹🇭 Thailand and 2 morePearl gourami Small Southeast Asian fish with a pearly patternOther · Rivers and lakes · 1852 🇻🇪 VenezuelaEndler's livebearer A small, colourful freshwater fish from Venezuela known for its bright patterns and ease of breeding in home aquariums.Livebearer · Rivers and lakes · 2005 🇲🇼 Malawi and 2 moreMalawi eyebiter Predatory cichlid from Lake Malawi known for its narrow body and unique feeding habits.Cichlid · 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 🇮🇩 IndonesiaBanggai cardinalfish A small, endangered marine fish from Indonesia known for its unique breeding habits and popularity in the aquarium tradeReef fish · Coasts and shelves 🇮🇳 India and 4 moreZebrafish Small striped fish from South Asia kept in aquariums and labsCarp · Rivers and lakes WorldThree-spined stickleback Small northern fish known for rapid evolution and complex breeding.Other · Rivers and lakes 🇯🇵 JapanJapanese rice fish Small freshwater fish native to Japan and a key model organism.Other · Rivers and lakes Serpae tetra 🇧🇷 Brazil and 4 moreSerpae tetra Small red freshwater fish from South AmericaOther · Rivers and lakes · 1882 Karonga tilapia 🇲🇼 Malawi and 2 moreKaronga tilapia Endangered cichlid from Lake Malawi and the Shire River.Cichlid · Rivers and lakes Bleeding heart tetra WorldBleeding heart tetra Small Amazonian fish with a red flank spotOther · Rivers and lakes · 1943 WorldSplash tetra Small South American fish that lays eggs on leaves above waterOther · Rivers and lakes 🇲🇽 Mexico and 1 moreGreen swordtail A hardy live-bearing fish popular in home aquariums.Livebearer · Rivers and lakes · 1848 Sub-Saharan AfricaJewel cichlid Brightly colored African cichlids kept in aquariums for their vivid breeding colours and parental care.Cichlid · Rivers and lakes WorldMango tilapia A large cichlid native to Africa and the Levant.Cichlid · Rivers and lakes 🇻🇪 Venezuela and 1 moreRam cichlid Small colourful freshwater fish from South AmericaCichlid · Rivers and lakes · 1948 🇳🇬 Nigeria and 1 moreKribensis Small colourful cichlid from West AfricaCichlid · Rivers and lakes · 1901 🇧🇷 BrazilZebra pleco Striped catfish from the Rio XinguCatfish · Rivers and lakes · 1991 🇹🇭 ThailandRed-tailed black shark A critically endangered Thai carp kept widely in aquariums for its black body and red tail.Carp · Rivers and lakes · 1931 Sub-Saharan AfricaVictoria tilapia A cichlid native to Lake Victoria with unique colour patterns.Cichlid · Rivers and lakes 🇨🇳 ChinaWhite Cloud Mountain minnow A small, hardy freshwater fish native to China, popular in aquariums for its cold tolerance and peaceful nature.Carp · Rivers and lakes · 1930 🇲🇲 Myanmar and 1 moreCelestial pearl danio A tiny, brightly coloured freshwater fish from Myanmar and Thailand, popular in the aquarium trade.Carp · Rivers and lakes · 2006 🇨🇳 China and 1 moreRosy bitterling Small East Asian freshwater fish with a unique mussel-based breeding cycle.Carp · Rivers and lakes 🇮🇩 IndonesiaClown loach Striped tropical freshwater fish from IndonesiaOther · Rivers and lakes · 1852 🇫🇷 France and 1 moreEuropean bitterling Small freshwater fish that breeds inside musselsOther · Rivers and lakes · 1782 🇹🇭 Thailand and 2 moreEmpurau A large Southeast Asian river fish prized for its high market value.Carp · Rivers and lakes 🇹🇭 Thailand and 4 moreJullien's golden carp Endangered Southeast Asian river fish with five stripesCarp · Rivers and lakes 🇮🇹 ItalyCarpione Endangered salmonid fish native to Lake Garda in Italy.Salmonid · Rivers and lakes 🇯🇵 JapanKoi Ornamental carp varieties bred in Japan for decorative ponds.Carp · Rivers and lakes 🇿🇦 South AfricaClanwilliam yellowfish A golden-hued river fish from South Africa's Cederberg.Carp · Rivers and lakes

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