Tropical reef fish
Identity card
Tropical Indo-Pacific: from the Red Sea and East Africa to the Hawaiian Islands, Tuamotu Islands and Marquesas Islands.
Coral reefs, sandy areas near corals, between 1 and 50 metres deep.
Up to 40 cm.
Crustaceans, molluscs, echinoderms, small benthic invertebrates.
Juveniles and adult yellow-tailed cories look completely different.
Juvenile fish are bright orange with five white spots edged with black on the upper part of their bodies.
Females have a light orange head and a green then blue body with a yellow caudal fin.
Males have a blue head streaked with green bands and a body ranging from green to blue with blue spots. Their caudal fin is the same yellow colour.
Mankind and shores
The Ocean Mag
In the spotlight
Pour son podcast Les ch'tites histoires, la Voix du Nord a rencontré l'équipage de Nausicaá.
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Coral, the planet's largest builder, is a fragile and threatened animal.
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In some tropical fish, the changes between birth and adulthood are so great that it is difficult to identify the young.