Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري قاعية التغذية و المعيشة; نطاق العمق 0 - 700 m (Ref. 11892), usually 30 - 250 m (Ref. 11892). Polar; 48°S - 66°S, 65°W - 77°E
Southern Ocean: Islands of the Scotia Sea, including the northern part of Antarctic Peninsula; Kerguelen, Heard and Bouvet islands.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 26.2, range 21 - 32 cm
Max length : 66.0 cm TL ذكر/ مختلط الجنس; (Ref. 5200); common length : 35.0 cm TL ذكر/ مختلط الجنس; (Ref. 2805); أعلا وزن تم نشرة: 2.0 kg (Ref. 4883)
فقرات: 59 - 62.
Feed mainly on krill and mysids. Spawn in autumn and winter (Ref. 50743). Synchronous spawner (Ref. 50743). Larval pelagic phase is long (Ref. 71843). Utilized as a food fish (Ref. 4931).
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)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): -1.1 - 2.9, mean 1.5 °C (based on 50 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00117 (0.00100 - 0.00138), b=3.47 (3.42 - 3.52), in cm total length, based on LWR estimates for this species (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.2 se; based on diet studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (K=0.13-0.39; tmax=13; tm=4; Fec=3,094).
Prior r = 0.39, 95% CL = 0.26 - 0.59, Based on 2 data-limited stock assessments.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (35 of 100).
Climate Vulnerability (Ref.
125649): High to very high vulnerability (68 of 100).
Nutrients (Ref.
124155): Calcium = 20.5 [11.1, 44.8] mg/100g; Iron = 0.388 [0.165, 0.801] mg/100g; Protein = 16.9 [14.8, 18.9] %; Omega3 = 0.222 [0.107, 0.473] g/100g; Selenium = 25.9 [9.2, 64.1] μg/100g; VitaminA = 13.8 [2.8, 70.5] μg/100g; Zinc = 0.409 [0.265, 0.626] mg/100g (wet weight); based on
nutrient studies.