Green humphead parrotfish
soft rays: 9. Median predorsal scales 2 to 4 (may be obscured by hump); scales on cheek scale rows 1(4-6), 2(3-6), 3(1-2) (Ref. 9793). Sometimes confused with the humphead wrasse or other 'humphead' parrotfishes (Ref. 1602). Unlike the wrasse, it has a vertical head profile, and unlike other parrotfishes, it is uniformly covered except for the leading edge of the head which is often light green to pink, and has a nodular outer surface to its beak (Ref. 1602). The primary phase is a dull gray with scattered white spots, gradually becoming uniformly dark green (Ref. 1602).