HomeFish encyclopediaRay-finned fishesPerch-like fishEelpoutsPallid eelpout Pallid eelpout (Lycodapus mandibularis) Scientific name: Lycodapus mandibularis Gilbert, 1915 The Pallid eelpout (Lycodapus mandibularis) is a marine fish of the family Zoarcidae. Native range: Eastern Pacific, Prince William Sound in Gulf of Alaska to southern California, USA. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 86-100; Anal spines: 0; Anal soft rays: 77 - 78. Dorsal and anal fins confluent with caudal; caudal fin with narrow tip, bluntly rounded; pectorals small. Color almost white, faint speckling of black dots dorsally, more so posteriorly; peritoneum, lining of gill cover, and posterior part of mouth dark.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLycodapus mandibularisFamilyZoarcidae (Eelpouts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Depth range100–1370 m (328–4495 ft)EnvironmentMarine; bathypelagic; depth range 100 - 1370 mClimateDeep-waterDistributionEastern Pacific: Prince William Sound in Gulf of Alaska to southern California, USA.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