| Harlequin sweetlips | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Haemulidae |
| Genus: | Plectorhinchus |
| Species: | P. chaetodonoides |
| Binomial name | |
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Plectorhinchus chaetodonoides Lacépède, 1801 |
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| Synonyms | |
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Plectorhinchus chaetodonoides, the harlequin sweetlips, is a species of grunt native to the Indian Ocean and the western Pacific Ocean. It is a denizen of coral reefs found at depths of from 1 to 30 m (3.3 to 98.4 ft). It can reach 72 cm (28 in) in TL. The heaviest known individual weighed 7 kg (15 lb). This species is of minor importance to local commercial fisheries and can be found in the aquarium trade.
Juveniles are brown with large white blotches and mimic the movement of a poisonous flatworm for defence against predators. They gain more spots and the spots reverse from white to black as they age.