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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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WorldSix-line wrasse Small violet reef fish with six orange stripesReef fish · Coasts and shelves · 1857 WorldOriental sweetlips Striped reef fish with swollen lips found in the Indo-Pacific.Other · Coasts and shelves · 1758 WorldSeahorse Small marine fish with horse-like heads and curled tails in the genus Hippocampus.Other · Coasts and shelves WorldViperfish Deep-sea fish with fang-like teeth and bioluminescent lures in the genus Chauliodus.Other · Open ocean · 1801 WorldPotato grouper Large Indo-Pacific reef grouper with dark blotches.Perch-like · Coral reefs · 1959 🇦🇺 Australia and 4 moreLeopard coral grouper A spotted reef predator prized for food across the Pacific.Perch-like · Coasts and shelves · 1802 Southeast AsiaHumpback grouper A spotted marine fish with a distinctive humped head profile.Perch-like · Coral reefs · 1828 WorldThreadfin butterflyfish A tropical marine fish with a trailing dorsal filament.Reef fish · Coasts and shelves WorldRaccoon butterflyfish A striped marine fish with a distinctive facial mask.Reef fish · Coasts and shelves · 1802 🇲🇾 Malaysia and 4 moreHumphead wrasse The largest reef-dwelling wrasse, known for its forehead hump and endangered status.Reef fish · Coasts and shelves · 1801 WorldBird wrasse A long-snouted Indo-Pacific reef fish that changes sex.Reef fish · Coral reefs 🇮🇩 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 WorldRoyal gramma Small violet and yellow reef fish from the western Atlantic.Reef fish · Coral reefs WorldFire goby A colourful reef dartfish with a yellow head and red tail.Reef fish · Coral reefs WorldYellow prawn-goby A small, colourful goby that shares burrows with shrimps.Other · Coasts and shelves WorldOarfish Extremely long pelagic fish known for their ribbon-like bodies and association with sea serpent myths.Other · Open ocean · 1772 WorldGrenadiers Deep-sea gadiform fish with slender bodies and long tails, found globally in ocean depths.Other · Deep sea · 1765 WorldSurgeonfish Marine fish family with sharp tail spines and algae diets.Reef fish · Coasts and shelves WorldWrasse A large family of colourful marine fish known for sex change and cleaning symbiosis.Reef fish · Coasts and shelves WorldDamselfish Small marine fish known for aggressive territorial behaviour and reef farming.Reef fish · Coasts and shelves WorldLionfish Venomous marine fish of the genus Pterois known for striking stripes and invasive spread.Ray · Coral reefs · 1900 WorldBicolor blenny A small Indo-Pacific marine fish popular in home aquariums.Other · Open ocean WorldBoxfish Armoured fish with a box-like body and toxic skin secretions.Other · Coasts and shelves · 1810 WorldPorcupinefish Spiny marine fish that inflate into a defensive sphere to deter predators.Other · Coasts and shelves WorldBigeye trevally A large marine fish found in tropical oceans, known for its nocturnal hunting and distinctive dark dorsal fin.Other · Coasts and shelves · 1825 WorldTrumpetfish Marine fish with a long tubular snout found in tropical reefs worldwide.Reef fish · Coasts and shelves · 1766 WorldEmperor red snapper Large Indo-Pacific reef snapper with distinctive juvenile bands.Perch-like · Coasts and shelves · 1816 WorldWarty frogfish A spotted marine fish with a lure on its head found in the Indo-Pacific.Other · Coasts and shelves · 1840 Southeast AsiaPygmy seahorse Tiny seahorses with unique brooding and camouflage traits found in Southeast Asian reefs.Other · Coasts and shelves WorldSpotted garden eel Small spotted eel living in sandy burrows in the Indo-Pacific.Eel · Coral reefs 🇦🇺 AustraliaLeafy seadragon A marine fish from southern Australia known for its leaf-like skin appendages used for camouflage.Other · Coasts and shelves · 1865 🇦🇺 AustraliaCommon seadragon Camouflaged marine fish with leaf-like appendages found in southern Australia.Other · Coasts and shelves WorldLongfin batfish A silver marine fish with elongated juvenile fins found across the Indo-Pacific.Other · Coasts and shelves WorldOrbicular batfish A round, silvery marine fish native to the Indo-Pacific.Other · Coasts and shelves 🇮🇳 India and 4 moreReef stonefish A highly venomous marine fish known for its rock-like camouflage and potent toxins.Other · Coasts and shelves · 1801 🇮🇩 Indonesia and 2 moreRed lionfish Venomous coral reef fish native to the Indo-Pacific and invasive in the Atlantic.Reef fish · Coral reefs · 1758

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