HomeMarine aquarium fishOther marine fishRock greenling Rock greenling (Hexagrammos lagocephalus) Scientific name: Hexagrammos lagocephalus Pallas, 1810 The Rock greenling (Hexagrammos lagocephalus) is a marine fish of the family Hexagrammidae. BiologyCommonly found in shallow rocky areas, especially on exposed coasts. Often captured by shore fishers.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHexagrammos lagocephalusFamilyHexagrammidae (Greenlings)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length61.0Depth range0–596 m (0–1955 ft)EnvironmentMarine; demersal; depth range 0 - 596 m, usually 10 - 15 mClimateTemperateDistributionEastern Pacific: Bering Sea and the Kuril Islands to Point Conception, central California, USA. Reported from the northern Sea of Japan, Hokkaido, and the Sea of Okhotsk.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesGamefish: yes; aquarium: public aquariumsResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=3.5;) More other marine fishKelp greenlingHexagrammos decagrammusSkilfishErilepis zoniferWhitespotted greenlingHexagrammos stelleriPadded sculpinArtedius fenestralisScalyhead sculpinArtedius harringtoniRoughback sculpinChitonotus pugetensisSee 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