HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsScorpionfishes or rockfishesLarge-headed scorpionfish Large-headed scorpionfish (Pontinus macrocephalus) Scientific name: Pontinus macrocephalus Sauvage, 1882 The Large-headed scorpionfish (Pontinus macrocephalus) is a marine fish of the family Scorpaenidae. Native range: Western Pacific, southern Japan to Micronesia and the Hawaiian Islands. Reported from Malaysia and from Bali Strait to Timor Sea in Indonesia. BiologyDorsal spines (total): 12; Dorsal soft rays (total): 9-10; Anal spines: 3; Anal soft rays: 5. Pectoral rays unbranched in adults; with about 45-60 vertical scale rows; lachrymal bone with 2 spines over maxillary, first points out and back, second points mostly back; suborbital ridge with 3 or 4 spines; second preopercular spine usually absent in large specimens; color in life mostly red.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePontinus macrocephalusFamilyScorpaenidae (Scorpionfishes or rockfishes)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length36.5Depth range174–278 m (571–912 ft)EnvironmentMarine; demersal; depth range 174 - 278 mClimateTropicalDistributionWestern Pacific: southern Japan to Micronesia and the Hawaiian Islands. Reported from Malaysia and from Bali Strait to Timor Sea in Indonesia.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceVery Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026