HomeMarine aquarium fishOther marine fishJapanese armorhead Japanese armorhead (Pentaceros japonicus) Scientific name: Pentaceros japonicus Steindachner, 1883 The Japanese armorhead (Pentaceros japonicus) is a marine fish of the family Pentacerotidae. Native range: Western Pacific, southern Japan to Australia and New Zealand. BiologyJuveniles pelagic, adults benthopelagic.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePentaceros japonicusFamilyPentacerotidae (Armorheads)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length25.0Depth range100–830 m (328–2723 ft)EnvironmentMarine; benthopelagic; depth range 100 - 830 mClimateSubtropicalDistributionWestern Pacific: southern Japan to Australia and New Zealand.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercial; aquarium: commercialResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) More other marine fishLongfin boarfishZanclistius elevatusStriped boarfishEvistias acutirostrisWestern footballerNeatypus obliquusEastern footballerAtypichthys latusYellowbar sandperchParapercis xanthozonaWispy waspfishParacentropogon longispinisSee all other marine fish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026