Actinopteri (ray-finned fishes) > Perciformes/Zoarcoidei
(Eelpouts and pricklebacks) > Lumpenidae
Etymology: Acantholumpenus: Greek, akantha = thorn + Latin, lumpus = to look disagreable, 1545 (Cyclopterus lumpus) and Latin, lumpus = a uncouth-looking spiny fish of a leaden blue colour; 1545 (Ref. 45335).
More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Marine; brackish; demersal; depth range 0 - 200 m (Ref. 56557). Polar; 70°N - 44°N, 134°E - 120°W
North Pacific: Hokkaido, Japan to the Okhotsk and Bering seas. Arctic Ocean: Arctic coast of Canada.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm SL male/unsexed; (Ref. 559); max. reported age: 12 years (Ref. 56557)
(total): 68 - 76;
soft rays: 41 - 48. Caudal fin slightly grayish without dark bands; roof of oral cavity with a dark region (Ref. 559). Spines of pelvic and anal fins rigid and easily discernible from other soft rays (Ref. 559). Eye diameter less than snout length (Ref. 559).
Found over mud and sand bottoms to depths of about 56 meters; often in brackish waters (Ref. 51666). Benthic; feeds on worms, crustaceans, sea urchins and molluscs (Ref. 58426).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (20):183 p. (Ref. 3814)
IUCN Red List Status (Ref. 125652)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): -1.5 - 5.6, mean 0.2 °C (based on 1195 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00144 - 0.00479), b=2.91 (2.75 - 3.07), in cm total length, based on LWR estimates for species & Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.2 se; based on diet studies.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Moderate to high vulnerability (54 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .