HomeFish encyclopediaRay-finned fishesPerch-like fishEelpoutsFish doctor Fish doctor (Gymnelus viridis) Scientific name: Gymnelus viridis Fabricius, 1780 The Fish doctor (Gymnelus viridis) is a marine fish of the family Zoarcidae. Native range: Arctic, Greenland and Canadian Arctic. Northeast Pacific: Bering Sea. Replaced by other species in the Arctic seas of Eurasia. BiologyInhabits continental shelves, but generally living in shallower water; usually live over sand and muddy bottoms among seaweeds. Benthic; feeds on crustaceans, worms and clams.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGymnelus viridisFamilyZoarcidae (Eelpouts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length56.0Depth range0–320 m (0–1050 ft)EnvironmentMarine; demersal; depth range 0 - 320 mClimatePolarDistributionArctic: Greenland and Canadian Arctic. Northeast Pacific: Bering Sea. Replaced by other species in the Arctic seas of Eurasia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (tmax=12) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026