HomeFish encyclopediaRay-finned fishesPerch-like fishParrotfishesPacific longnose parrotfish Pacific longnose parrotfish (Hipposcarus longiceps) Scientific name: Hipposcarus longiceps Valenciennes, 1840 The Pacific longnose parrotfish (Hipposcarus longiceps) is a marine fish of the family Scaridae. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 9. Small juveniles are light brownish with a broad longitudinal orange band; the primary phase is a whitish brown to light gray with a yellowish tail; the terminal phase is light blue and green. Adults best recognized by the shape of the head.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHipposcarus longicepsFamilyScaridae (Parrotfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length60.0Common length48.0Depth range40 m (131 ft)EnvironmentMarine; reef-associated; depth range ? - 40 mClimateTropicalDistributionPacific Ocean: Cocos-Keeling Islands and Rowley Shoals in the eastern Indian Ocean to the Line and Tuamoto islands, north to the Ryukyu Islands, south to the Great Barrier Reef and New Caledonia. Replaced by Hipposcaurs harid in the Indian Ocean.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.5) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026