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ACANTHURIDAE (SURGEONFISHES)
Acanthurus lineatus (Linneaus)
(Clown Surgeonfish, Blueline Surgeonfish; Hiyuk)
SL: to 20 cm (photo: 16 cm SL, Gabgab Beach, 1 m)
This is one of the most abundant surgeonfishes of shallow, exposed
reefs from the outer reef flat to a depth of 6 m along the seaward
reef. It is usually found in small groups, consisting of a
large territorial male and numerous females. It browses on
filamentous algae. Small individuals are popular aquarium
exports but require a large tank with clear, well-oxygenated water.
INDO-PACIFIC: E. Africa to Mangareva and the Marquesas, n. to s.
Japan, s. to, New Caledonia; collected once in Hawaii, where it
undoubtedly drifted during its larval stage.
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