HomeFish encyclopediaRay-finned fishesPerch-like fishEelpoutsThreespot eelpout Threespot eelpout (Lycodes rossi) Scientific name: Lycodes rossi Malmgren, 1865 The Threespot eelpout (Lycodes rossi) is a marine fish of the family Zoarcidae. Native range: North Atlantic, just north of Iceland, northern Norway (Porsanger Fjord) and Barents Sea (but not in southern parts). Arctic Ocean: Kara Sea and Beaufort Sea. BiologyVertebrae: 98 - 99. Pelvic fins small. Dark, with 5-8 short, light cross-bands on back and dorsal fins; light band (or spots) at nape; transverse light bands on body, never becoming a network in older fishes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLycodes rossiFamilyZoarcidae (Eelpouts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length31.0Depth range42–365 m (138–1198 ft)EnvironmentMarine; demersal; depth range 42 - 365 mClimatePolarDistributionNorth Atlantic: just north of Iceland, northern Norway (Porsanger Fjord) and Barents Sea (but not in southern parts). Arctic Ocean: Kara Sea and Beaufort Sea.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