Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; oceanodromous (Ref. 51243); depth range 60 - 1700 m (Ref. 58426), usually 100 - 900 m. Polar; 81°N - 43°N, 123°W - 61°E
North Atlantic: Spitsbergen, Novaya Zemlya, Barents and Norwegian seas, the Shetlands, the Faeroes, Iceland and south-eastern coasts of Greenland; also known occasionally in northern North Sea and Skaggerak and south to Bay of Biscay. Western Atlantic: Arctic, from Prince Patrick Island to Sable Island off Nova Scotia and Grand Banks in Canada (Ref. 7251).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 180 cm TL male/unsexed; (Ref. 7251); max. published weight: 20.0 kg (Ref. 7251)
Coloration bluish-black with indistinct spots on the sides. Flesh soft and watery (Ref. 35388).
Body shape (shape guide): elongated.
Inhabits offshore waters in midwater; adults also near bottom from 60-970 m, mainly 100-900 m (Ref. 4694). Epibenthic (Ref. 58426). Feeds on sea gooseberries, medusas, small fishes, also echinoderms, crustaceans and mollusks (not so hard-shelled) (Ref. 4694). Spawns at great depths (Ref. 44162).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Barsukov, V.V., 1986. Anarhichadidae. p. 1113-1116. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the North-eastern Atlantic and the Mediterranean. volume 3. UNESCO, Paris. (Ref. 4694)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: of no interest; gamefish: yes
Tools
Special reports
Download XML
Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5938 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00661 (0.00308 - 0.01417), b=3.20 (3.01 - 3.39), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trophic level (Ref. 69278) |
4.0 ±0.67 se; based on food items. |
|
Generation time |
13.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Resilience (Ref. 120179) |
Low, minimum population doubling time 4.5 - 14 years (K=0.08-0.10). |
Fishing Vulnerability (Ref. 59153) |
Very high vulnerability (78 of 100). 🛈 |
Climate Vulnerability (Ref. 125649) |
Moderate vulnerability (38 of 100). 🛈 |
Nutrients (Ref. 124155) |
Calcium = 4.17 [1.74, 17.95] mg/100g; Iron = 0.189 [0.061, 0.592] mg/100g; Protein = 15.9 [13.6, 18.4] %; Omega3 = 0.212 [0.107, 0.446] g/100g; Selenium = 49.5 [10.7, 163.5] μg/100g; VitaminA = 11.4 [2.5, 56.4] μg/100g; Zinc = 0.467 [0.175, 0.940] mg/100g (wet weight); |