HomeMarine aquarium fishWrassesGreen humphead parrotfish Green humphead parrotfish (Bolbometopon muricatum) Scientific name: Bolbometopon muricatum Valenciennes, 1840 The Green humphead parrotfish (Bolbometopon muricatum) is a marine fish of the family Scaridae. Native range: Indo-Pacific, Red Sea and East Africa to Samoa and the Line Islands, north to the Yaeyama and Wake islands, south to the Great Barrier Reef and New Caledonia. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal 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). Sometimes confused with the humphead wrasse or other 'humphead' parrotfishes. 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. The primary phase is a dull gray with scattered white spots, gradually becoming uniformly dark green.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBolbometopon muricatumFamilyScaridae (Parrotfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length130Common length70.0Depth range1–30 m (3–98 ft)EnvironmentMarine; reef-associated; depth range 1 - 30 mClimateTropicalDistributionIndo-Pacific: Red Sea and East Africa to Samoa and the Line Islands, north to the Yaeyama and Wake islands, south to the Great Barrier Reef and New Caledonia.Conservation status (IUCN)Vulnerable (VU) (A2d)Threat to humansHarmlessUsesFisheries: commercial; aquarium: commercialResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.10) More wrassesBicolour parrotfishCetoscarus bicolorBridled parrotfishScarus frenatusTan-faced parrotfishChlorurus frontalisDusky parrotfishScarus nigerDark capped parrotfishScarus ovicepsCommon parrotfishScarus psittacusSee all wrasses SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026