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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

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Concepts

Sex change in fish

WorldRibbon eel A colour-changing moray eel from Indo-Pacific reefs.Eel · Coral reefs

OceaniaBluestreak cleaner wrasse A small reef fish that cleans parasites from larger marine animals.Reef fish · Coral reefs

North AmericaStoplight parrotfish A colourful reef grazer that changes sex from female to male.Reef fish · Coasts and shelves

WorldClownfish Small reef fish living in sea anemones.Reef fish · Coasts and shelves · 1801

WorldWrasse A large family of colourful marine fish known for sex change and cleaning symbiosis.Reef fish · Coasts and shelves

Photo credits on this page

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

Ribbon eel: Profmauri, CC BY-SA 3.0, source
Bluestreak cleaner wrasse: Diego Delso, CC BY-SA 4.0, source
Stoplight parrotfish: Adona9 at English Wikipedia, CC BY-SA 3.0, source
Clownfish: Nick Hobgood, CC BY-SA 3.0, source
Wrasse: Leonard Low, CC BY 2.0, 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.