Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 0 - 550 m. Polar; 61°S - 78°S
Southern Ocean: Antarctic Peninsula, South Shetland Islands and the Antarctic continental shelf. Probably circum-Antarctic, but no records yet from West Antarctica.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 38.5 cm TL ذكر/ مختلط الجنس; (Ref. 124149); 31.4 cm TL (female); أعلا وزن تم نشرة: 86.20 g (Ref. 124149); أعلا وزن تم نشرة: 86.20 g
Adults spawn during September in Adélie Land. Hatching probably occurs in spring (mid-November) and pelagic development probably ends in autumn (February and March). Food items: fishes, amphipods, fish eggs and polychaetes (Ref. 5192). Larval pelagic phase is short (Ref. 41551).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Gon, O., 1990. Bathydraconidae. p. 364-380. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5192)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير ذات اهمية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - 0.4, mean -1.2 °C (based on 344 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00141 (0.00083 - 0.00242), b=3.46 (3.31 - 3.61), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.2 ±0.73 se; based on food items.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Assuming Fec < 10,000).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).
