HomeFish encyclopediaRay-finned fishesPerch-like fishMedusafishesPacific barrelfish Pacific barrelfish (Hyperoglyphe japonica) Scientific name: Hyperoglyphe japonica D?derlein, 1884 The Pacific barrelfish (Hyperoglyphe japonica) is a marine fish of the family Centrolophidae. Native range: Northwest Pacific, central and southern Japan. Larvae found in Taiwan Strait. BiologyJuveniles associate with drifting seaweed. Adults found in deeper water, at depths greater than 100 m. Plankton feeder.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHyperoglyphe japonicaFamilyCentrolophidae (Medusafishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length90.0Depth range150–400 m (492–1312 ft)EnvironmentMarine; benthopelagic; oceanodromous; depth range 150 - 400 mClimateTemperateDistributionNorthwest Pacific: central and southern Japan. Larvae found in Taiwan Strait.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceLow, minimum population doubling time 4.5 - 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