Identification: Usually black with variable amount of orange on head, ventral parts, and fins; three white bars on head, body, base of caudal fin; transition between darker body and bar across caudal fin base usually abrupt; caudal fin usually white or white with yellow edges (males), but sometimes yellow; juveniles from all areas and adults from Vanuatu and New Caledonia may be mostly or entirely orange-yellow with only two anterior white bars.