Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; océanodrome (Ref. 51243); profondeur 300 - 1441 m (Ref. 58426). Deep-water; 79°N - 41°N, 67°W - 35°E
Eastern Atlantic: Norwegian Sea from Lofoten Island northward to the western and northern coasts of Spitsbergen; southern part of the Barents Sea rarely to 35°E , on the Iceland-Faroes Ridge, Iceland and Greenland. Western Atlantic: Baffin Bay to Nova Scotia in Canada (Ref. 7251).
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 43.1 range ? - ? cm
Max length : 77.5 cm TL mâle / non sexé; (Ref. 106276); âge max. reporté: 75 années (Ref. 45673)
Inhabit deep waters (Ref. 4570). Epibenthic-pelagic (Ref. 58426). Bear live young. Gregarious throughout life. Feed on euphausiids, hyperiids, cephalopods, chaetognaths and small fishes. Ovoviviparous (Ref. 4570). Longevity was determined from isotope ratios and given as at least 65 years in general and at least 75 years in the waters off Nova Scotia (Ref. 45673).
Ovoviviparous.
Hureau, J.-C. and N.I. Litvinenko, 1986. Scorpaenidae. p. 1211-1229. 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. UNESCO, Paris. Vol 3. (Ref. 4570)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 0.4 - 6.6, mean 3.6 °C (based on 151 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00513 - 0.01411), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.2 ±0.61 se; based on food items.
Generation time: 14.1 (10.3 - 18.3) years. Estimated as median ln(3)/K based on 12
growth studies.
Résilience (Ref.
120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (K=0.05-0.10; tm=10-13).
Prior r = 0.18, 95% CL = 0.11 - 0.29, Based on 8 stock assessments.
Fishing Vulnerability (Ref.
59153): High vulnerability (58 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (42 of 100).
Nutrients (Ref.
124155): Calcium = 12.1 [5.8, 36.4] mg/100g; Iron = 0.194 [0.085, 0.601] mg/100g; Protein = 18.3 [16.7, 19.7] %; Omega3 = 0.359 [0.105, 1.161] g/100g; Selenium = 43.1 [16.9, 112.9] μg/100g; VitaminA = 34.8 [4.6, 255.9] μg/100g; Zinc = 0.311 [0.186, 0.705] mg/100g (wet weight); based on
nutrient studies.
