HomeFish encyclopediaRay-finned fishesPerch-like fishEelpoutsGreater eelpout Greater eelpout (Lycodes esmarkii) Scientific name: Lycodes esmarkii Collett, 1875 The Greater eelpout (Lycodes esmarkii) is a marine fish of the family Zoarcidae. In the aquarium it needs water at 3–4°C (37–39°F). Native range: North Atlantic, Nunavut, western Barents Sea to southern Norway, the Faeroes-Shetlands and northern Iceland. Greater eelpout care at a glanceTemperature3–4°C (37–39°F) BiologyOccurs at a temperature range of -0.4? to 5.0 ?C. Optimal temperatures appear to range between 2.6? and 3.5?C. Inhabits soft bottom areas. Benthic. Feeds almost exclusively on ophiuroids.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLycodes esmarkiiFamilyZoarcidae (Eelpouts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length75.0Common length47.5Depth range251–1090 m (823–3576 ft)EnvironmentMarine; bathydemersal; depth range 251 - 1090 m, usually 251 - 350 mClimateDeep-waterDistributionNorth Atlantic: Nunavut, western Barents Sea to southern Norway, the Faeroes-Shetlands and northern Iceland.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 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