Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; غير مهاجرة; نطاق العمق 150 - 1000 m (Ref. 54594), usually 350 - 500 m (Ref. 54594). Temperate; 79°N - 29°N, 65°W - 44°E (Ref. 54594)
Northeast Atlantic: Southwestern Barents Sea, sometimes north to Spitsbergen, southeastern Greenland, southern coast of Iceland, around the British Isles and south to Morocco and into the western Mediterranean. Northwest Atlantic: Newfoundland.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 86.5 range ? - 88 cm
Max length : 155 cm TL ذكر/ مختلط الجنس; (Ref. 1371); أعلا وزن تم نشرة: 30.0 kg (Ref. 35388); العمر: 20 سنين (Ref. 1371)
الأشواك الظهرية (المجموع) : 0; شوكة شرجية: 0; أشعه شرجية لينه: 70 - 81. Lower jaw longer than upper jaw; barbel shorter than eye diameter. Back gray-brown, grading to white ventrally. Posterior portions of vertical fins dark with pale margins.
Found mostly from 350-500 m depth on muddy bottoms. Feed on crustaceans and fish (flatfishes, gobies, rocklings) (Ref. 1371).
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 2.1 - 14.1, mean 6.3 °C (based on 199 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00169 - 0.00538), b=3.03 (2.87 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.5 ±0.6 se; based on diet studies.
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (K=0.13-0.16; tm=8-11; tmax=20).
Prior r = 0.31, 95% CL = 0.20 - 0.46, Based on 3 full stock assessments.
Fishing Vulnerability (Ref.
59153): Very high vulnerability (75 of 100).
Climate Vulnerability (Ref.
125649): Moderate to high vulnerability (47 of 100).
Nutrients (Ref.
124155): Calcium = 16.4 [8.1, 35.6] mg/100g; Iron = 0.278 [0.142, 0.592] mg/100g; Protein = 17.6 [15.8, 19.3] %; Omega3 = 0.381 [0.204, 0.707] g/100g; Selenium = 29.8 [15.2, 59.6] μg/100g; VitaminA = 10.9 [2.7, 40.8] μg/100g; Zinc = 0.305 [0.198, 0.473] mg/100g (wet weight);
