Acanthurus dussumieri, L
Widespread Indo-Pacific, Africa to Hawaii. Adults mainly on deep coastal reef slopes and outer reef walls, often on deep shipwrecks. Juveniles coastal on algae-rocky reef. Distinguished by the white peduncular spine from the very similar A.blochii and A.xanthopterus. Juveniles dusky with yellowish dorsal fin and pale whitish tail. Length to 50cm.