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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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Concepts

Pelvic finCITESSmall-scale fishingTrawlingNitrogen cycle (aquarium)Selective breeding
🇧🇷 Brazil and 2 moreBlack tetra Small freshwater characin with dark vertical barsOther · Rivers and lakes WorldSplash tetra Small South American fish that lays eggs on leaves above waterOther · Rivers and lakes 🇧🇷 BrazilBlack neon tetra Small freshwater characin with white and black stripes, popular in the aquarium trade.Other · Rivers and lakes 🇧🇷 BrazilRummy-nose tetra Small Amazonian characin with a red head and striped tail.Other · Rivers and lakes · 1924 🇧🇷 Brazil and 1 moreX-ray tetra Small translucent South American freshwater fish popular in home aquariums.Other · Rivers and lakes · 1894 🇵🇾 Paraguay and 3 moreBuenos Aires tetra Hardy silver freshwater fish with red fins and a black tail mark.Other · Rivers and lakes · 1907 Bleeding heart tetra WorldBleeding heart tetra Small Amazonian fish with a red flank spotOther · Rivers and lakes · 1943 🇧🇷 Brazil and 2 moreCardinal tetra Small freshwater fish with a bright red belly and iridescent blue stripe.Other · Rivers and lakes · 1956 🇻🇪 VenezuelaDiamond tetra Small Venezuelan freshwater fish with violet finsOther · Rivers and lakes · 1920 🇧🇷 BrazilLemon tetra Small yellow freshwater fish from the Amazon basin.Other · Rivers and lakes Serpae tetra 🇧🇷 Brazil and 4 moreSerpae tetra Small red freshwater fish from South AmericaOther · Rivers and lakes · 1882 WorldTetra Common name for small freshwater characiform fishes popular in aquaria.Livebearer · 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 🇦🇺 AustraliaAustralian lungfish Ancient air-breathing fish endemic to Queensland rivers, known for its longevity and living fossil status.Ancient · Rivers and lakes · 1871 🇨🇩 Democratic Republic of the CongoCongo tetra A colourful African freshwater fish kept in home aquaria for its bright scales and feathery tail.Other · Rivers and lakes · 1899 🇧🇷 BrazilEmber tetra Tiny orange freshwater fish from BrazilOther · Rivers and lakes · 1987 🇨🇴 ColombiaEmperor tetra A small freshwater fish from Colombia, prized in the aquarium trade for its striking colours and distinct sexual dimorphOther · Rivers and lakes Southeast AsiaBumblebee goby Small striped freshwater and brackish gobies from AsiaOther · Rivers and lakes 🇻🇪 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 WorldWeather loach Small freshwater fish active before stormsOther · Rivers and lakes WorldLonghorn cowfish Box-shaped reef fish with long head hornsReef fish · Coasts and shelves · 1758 🇧🇯 Benin and 4 moreSaddled bichir A large African freshwater fish with primitive lungs and multiple dorsal finlets.Ancient · Rivers and lakes · 1845 🇺🇸 United States and 2 moreGar Ancient armored fish with lung-like swim bladders found in North American waters.Ancient · Rivers and lakes · 1758 WorldStarry toado A pufferfish found in subtropical oceans worldwide.Other · Coasts and shelves 🇹🇭 Thailand and 2 moreSiamese mud carp Freshwater cyprinid native to Mekong and Chao Phraya riversCarp · Rivers and lakes WorldMegalodon Extinct giant mackerel shark from the Miocene to Pliocene epochs.Shark · Coasts and shelves · 1843 🇺🇬 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 🇺🇸 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 🇧🇷 Brazil and 4 moreRedtail catfish A large South American catfish known for its red tail and popularity in the aquarium trade.Catfish · Rivers and lakes 🇲🇾 Malaysia and 1 moreHarlequin rasbora A small, colourful freshwater fish popular in home aquariums for its distinctive black body marking.Carp · Rivers and lakes 🇲🇽 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 WorldYellow boxfish A bright yellow, cube-shaped reef fish with toxic mucus.Reef fish · Coasts and shelves · 1758 🇧🇷 Brazil and 1 moreFrench angelfish A slow-growing Caribbean reef fish known for its sponge diet.Reef fish · Coasts and shelves · 1799 🇺🇸 United States and 2 moreLongnose gar A primitive ray-finned fish with a long snout and armored scales found in North America.Other · Rivers and lakes · 1758 OceaniaBluestreak cleaner wrasse A small reef fish that cleans parasites from larger marine animals.Reef fish · Coral reefs 🇿🇦 South Africa and 1 moreCoelacanth Ancient lobe-finned fish thought extinct until rediscovered in the twentieth century.Ancient · Coasts and shelves · 1839 🇧🇷 Brazil and 4 moreGolden dorado A large predatory freshwater fish native to South America known for its golden colour.Other · Rivers and lakes Sub-Saharan AfricaPrincess cichlid A cooperative schooling cichlid from Lake Tanganyika.Cichlid · Rivers and lakes WorldBird wrasse A long-snouted Indo-Pacific reef fish that changes sex.Reef fish · Coral reefs 🇳🇬 NigeriaHingemouth Small African fish with a unique proboscis-like mouthOther · Rivers and lakes 🇹🇭 Thailand and 3 moreSiamese tigerfish A critically endangered freshwater perch from Indochina.Perch-like · Rivers and lakes · 1998 WorldMandarinfish A small, brightly coloured Pacific fish kept in saltwater aquariums.Other · Coasts and shelves · 1927 🇮🇩 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 🇦🇹 Austria and 4 moreStreber A small freshwater perch found in fast-flowing European rivers.Perch-like · Rivers and lakes 🇮🇳 India and 4 moreZebrafish Small striped fish from South Asia kept in aquariums and labsCarp · Rivers and lakes 🇿🇦 South Africa and 4 moreWest Indian Ocean coelacanth Rare deep-sea fish with blue scales and limb-like fins.Ancient · Deep sea · 1938 🇸🇳 Senegal and 3 moreWest African lungfish Air-breathing freshwater fish from AfricaAncient · Rivers and lakes WorldNinespine stickleback Small freshwater fish with variable spines found across the Northern Hemisphere.Other · Rivers and lakes 🇮🇳 IndiaZebra loach A small, striped freshwater fish from India's Western Ghats, kept in aquariums and eaten locally.Other · Rivers and lakes · 1920 🇺🇸 United States and 2 moreYellow tang Bright yellow Pacific reef fish kept in marine aquariums.Reef fish · Coasts and shelves · 1828 Mariana snailfish WorldMariana snailfish A deep-sea fish from the Mariana Trench with transparent skin and large eggs.Other · Deep sea · 2017 OceaniaPajama Cardinalfish Small, spotted reef fish known for male mouthbrooding.Other · Coral reefs WorldAphyosemion A large genus of small African killifish kept in home aquariums.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 🇦🇴 Angola and 3 moreMarbled lungfish African lungfish with the largest known animal genome, found in East and Central Africa.Ancient · Rivers and lakes 🇨🇦 Canada and 1 moreGoldeye A silver freshwater fish known for its smoked culinary form.Other · Rivers and lakes 🇲🇾 Malaysia and 4 moreHumphead wrasse The largest reef-dwelling wrasse, known for its forehead hump and endangered status.Reef fish · Coasts and shelves · 1801 🇺🇸 United States and 1 moreLake sturgeon A large, long-lived freshwater fish native to North America.Ancient · Rivers and lakes

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