Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; havsvandrande (Ref. 51243); djupintervall 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).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 180 cm TL hane/ej könsbestämd; (Ref. 7251); publicerad maxvikt: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse; sportfisk: ja
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5938 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Trofisk nivå (Ref. 69278) |
4.0 ±0.67 se; based on food items. |
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Generation time |
13.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (K=0.08-0.10). |
Sårbarhet i fisket (Ref. 59153) |
Very high vulnerability (78 of 100). 🛈 |
Sårbarhet för klimatet (Ref. 125649) |
Moderate vulnerability (38 of 100). 🛈 |
Näringsämnen (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); |