HomeFish encyclopediaRay-finned fishesPerch-like fishPricklebacksStout eelblenny Stout eelblenny (Anisarchus medius) Scientific name: Anisarchus medius Reinhardt, 1837 The Stout eelblenny (Anisarchus medius) is a marine fish of the family Stichaeidae. BiologyDorsal soft rays (total): 0. Caudal fin rounded. Body light yellowish, usually with faint darker patches.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAnisarchus mediusFamilyStichaeidae (Pricklebacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Common length12.0Depth range10–300 m (33–984 ft)EnvironmentMarine; demersal; depth range 10 - 300 m, usually 30 - 100 mClimatePolarDistributionNorth Pacific: Bering Sea to Japan and southeastern Alaska. Northwest Atlantic: Arctic to western Greenland and Labrador, Canada. Northeast Atlantic: Norway, Russia and Spitsbergen.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries:ResilienceMedium, 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