HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsGreenlingsMasked greenling Masked greenling (Hexagrammos octogrammus) Scientific name: Hexagrammos octogrammus Pallas, 1814 The Masked greenling (Hexagrammos octogrammus) is a marine fish of the family Hexagrammidae. Native range: North Pacific, Sea of Okhotsk and northern Japan to British Columbia, Canada. BiologyDorsal spines (total): 17 - 20; Dorsal soft rays (total): 22-25; Anal spines: 0; Anal soft rays: 22 - 25. Caudal rounded.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHexagrammos octogrammusFamilyHexagrammidae (Greenlings)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length42.0Depth range0–200 m (0–656 ft)EnvironmentMarine; demersal; depth range 0 - 200 mClimateTemperateDistributionNorth Pacific: Sea of Okhotsk and northern Japan to British Columbia, Canada.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercial; gamefish: yesResilienceMedium, 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