HomeFish encyclopediaRay-finned fishesPerch-like fishArmorheadsSlender armorhead Slender armorhead (Pseudopentaceros wheeleri) Scientific name: Pseudopentaceros wheeleri Hardy, 1983 The Slender armorhead (Pseudopentaceros wheeleri) is a marine fish of the family Pentacerotidae. BiologyJuveniles epipelagic, adults benthopelagic.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudopentaceros wheeleriFamilyPentacerotidae (Armorheads)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length44.0Common length29.0Depth range146–800 m (479–2625 ft)EnvironmentMarine; benthopelagic; depth range 146 - 800 m, usually 400 - 600 mClimateTemperateDistributionNorth Pacific: Gulf of Alaska to North Pacific Ocean off central California and south of Japan, with center of abundance at the seamounts of the southern Emperor-northern Hawaiian Ridge.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceLow, minimum population doubling time 4.5 - 14 years (tm = 6-7) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026