Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري; نطاق العمق 10 - 1600 m. Polar; 50°S - 78°S, 143°E - 19°W (Ref. 1371)
Southern Ocean: coasts of Antarctic Peninsula, Scotia Sea (South Georgia, South Sandwich, South Orkney and South Shetland islands), Victoria Land and Ross Sea.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 27.5, range 23 - 32 cm
Max length : 35.0 cm TL ذكر/ مختلط الجنس; (Ref. 1371); common length : 27.0 cm TL ذكر/ مختلط الجنس; (Ref. 1371)
الأشواك الظهرية (المجموع) : 0; الأشعة الظهرية الناعمة (المجموع) : 135; شوكة شرجية: 0; أشعه شرجية لينه: 106; فقرات: 69. Dorsal filament variable in length, but never longer than twice the eye diameter. Outer rays of the pelvic fins filamentous, of unequal lengths. Lateral line arched above the pectoral fin, extending to slightly beyond the pectoral fin tips. Color is uniform gray-brown, with iridescent hues.
Dwells in continental and insular shelves and slopes. Feeds on zooplankton. Synchronous spawner (Ref. 50743).
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: Version 2024-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): -1.9 - 1.6, mean -0.7 °C (based on 751 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5059 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00171 - 0.01116), b=3.11 (2.89 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.4 se; based on diet studies.
Generation time: 4.2 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (tm=4; Fec = 85,810).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
Climate Vulnerability (Ref.
125649): High vulnerability (62 of 100).
Nutrients (Ref.
124155): Calcium = 28.6 [13.1, 61.2] mg/100g; Iron = 0.478 [0.243, 0.999] mg/100g; Protein = 16.8 [15.3, 18.2] %; Omega3 = 0.265 [0.119, 0.570] g/100g; Selenium = 17.6 [5.9, 46.3] μg/100g; VitaminA = 14 [3, 74] μg/100g; Zinc = 0.526 [0.336, 0.834] mg/100g (wet weight);
