HomeFish encyclopediaRay-finned fishesPerch-like fishPricklebacksOcellated blenny Ocellated blenny (Opisthocentrus ocellatus) Scientific name: Opisthocentrus ocellatus Tilesius, 1811 The Ocellated blenny (Opisthocentrus ocellatus) is a marine fish of the family Stichaeidae. Native range: Northwest Pacific, western Bering Sea, Sea of Okhotsk, coasts of Japan to central Honshu, Sea of Japan to Korean Peninsula. BiologyFound near shore among algae and rocks; usually shallower than 70 meters, but recorded to more than 300 meters.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOpisthocentrus ocellatusFamilyStichaeidae (Pricklebacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Depth range0–335 m (0–1099 ft)EnvironmentMarine; demersal; depth range 0 - 335 m, usually ? - 70 mClimateTemperateDistributionNorthwest Pacific: western Bering Sea, Sea of Okhotsk, coasts of Japan to central Honshu, Sea of Japan to Korean Peninsula.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 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