Common names from other countries
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري القاع; نطاق العمق 5 - 770 m. Polar; 53°S - 65°S, 67°W - 4°E
Southern Ocean: in the vicinity of Bouvet Island, Scotia Sea, and northern part of the Antarctic Peninsula.
Length at first maturity / الحجم / وزن / العمر
النضج: Lm 44.9 range ? - ? cm
Max length : 72.0 cm TL ذكر/ مختلط الجنس; (Ref. 4883); common length : 50.0 cm TL ذكر/ مختلط الجنس; (Ref. 2805); أعلا وزن تم نشرة: 3.7 kg (Ref. 4883)
Adults feed mostly on fish and krill. Synchronous spawner (Ref. 50743). Larvae have a long pelagic phase (Ref. 71843). Utilized as a food fish (Ref. 4931).
There is only one generation of oocytes in the ovaries indicative of determinate fecundity (Ref. 50743). Mature females may spawn for the first time from around 6-8 years of age (Ref. 71843).
Hureau, J.-C., 1985. Channichthyidae. p. 261-277. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88). Rome. Vol. 2. (Ref. 2805)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): -1.3 - 1.6, mean 0 °C (based on 42 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00093 (0.00079 - 0.00110), b=3.48 (3.43 - 3.53), in cm total length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.4 ±0.2 se; based on diet studies.
المرونه (مرجع
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.17-0.24; Fec = 7,358).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (54 of 100).
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Climate Vulnerability (Ref.
125649): High to very high vulnerability (75 of 100).
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Nutrients (Ref.
124155): Calcium = 24.2 [13.5, 53.3] mg/100g; Iron = 0.45 [0.19, 0.91] mg/100g; Protein = 17.3 [15.2, 19.4] %; Omega3 = 0.23 [0.12, 0.43] g/100g; Selenium = 23.3 [9.2, 53.9] μg/100g; VitaminA = 10.8 [2.2, 52.1] μg/100g; Zinc = 0.364 [0.235, 0.556] mg/100g (wet weight); based on
nutrient studies.
