HomeFish encyclopediaRay-finned fishesPerch-like fishEelpoutsSaddled eelpout Saddled eelpout (Lycodes mucosus) Scientific name: Lycodes mucosus Richardson, 1855 The Saddled eelpout (Lycodes mucosus) is a marine fish of the family Zoarcidae. Native range: North Pacific, Sea of Okhotsk to Arctic Canada. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 82-85; Anal spines: 0; Anal soft rays: 65 - 67; Vertebrae: 92 - 94. Caudal region very short, preanal length contained less than 2 times in TL; lateral line midlateral; head and belly without scales; sparsely distributed scales only extending to pectoral tip. Body with saddle-like or Y-shaped blotches; white bands on nape and below eye.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLycodes mucosusFamilyZoarcidae (Eelpouts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length20.4Depth range5–825 m (16–2707 ft)EnvironmentMarine; demersal; depth range 5 - 825 mClimatePolarDistributionNorth Pacific: Sea of Okhotsk to Arctic Canada.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