From 1 to 60 meters.
Habitat: reef-associated. Twotone tang. (Cuvier, 1829) Attains 20 cm. The juvenile of this tang is particularly handsome. Closely related to the sailfin tang, it has well developed, sail like dorsal and anal fins, especially as juveniles. Adults are dark yellowish brown with pale blue dots on head and body, with those on the body tending to form longitudinal lines, Juveniles have pale vertical lines on the body. Both phases have a distinctive white sheath to the caudal spine. This uncommon tang is found singly or in pairs and is confined to coral reefs aat depths of 1-60 metres. Juveniles are often observed near the branches of Acropora corals, which are used as a refuge when danger approaches. Feeds on Algae. Indo-Pacific south to Natal in South Africa.
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