HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsGreenlingsOkhotsk atka mackerel Okhotsk atka mackerel (Pleurogrammus azonus) Scientific name: Pleurogrammus azonus Jordan & Metz, 1913 The Okhotsk atka mackerel (Pleurogrammus azonus) is a marine fish of the family Hexagrammidae. Native range: Northwest Pacific, Primorskii Krai in Russia, the Sea of Okhotsk and the Kuril Islands to Ibaraki Prefecture and Tsushima in Japan to the Yellow Sea. BiologyJuveniles form large schools near the surface; adults are benthic. Utilized fresh, dried or salted and frozen; can be pan-fried and broiled.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePleurogrammus azonusFamilyHexagrammidae (Greenlings)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length62.0Depth range0–240 m (0–787 ft)EnvironmentMarine; demersal; oceanodromous; depth range 0 - 240 mClimateTemperateDistributionNorthwest Pacific: Primorskii Krai in Russia, the Sea of Okhotsk and the Kuril Islands to Ibaraki Prefecture and Tsushima in Japan to the Yellow Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: highly commercial; aquaculture: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=2-4) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026