Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 60 - 345 m (Ref. 5192), usually 248 - 345 m (Ref. 50743). Polar; 53°S - 56°S
Southern Ocean: endemic to the insular shelf of South Georgia.
Length at first maturity / आकार / वज़न / Age
Maturity: Lm 16.4, range 15 - 18 cm
Max length : 20.0 cm SL पुल्लिंग / अलिंग; (Ref. 5192)
Spawns apparently during autumn and early winter; hatching probably during winter (Ref. 5192). Synchronous spawner (Ref. 50743).
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)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
123201): -0.1 - 1.8, mean 0.7 °C (based on 13 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00166 - 0.00833), b=3.41 (3.22 - 3.60), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.40 se; based on food items.
लौटाव (Ref.
120179): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Fec = 1,206).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
Nutrients (Ref.
124155): Calcium = 55.4 [30.7, 140.0] mg/100g; Iron = 0.648 [0.241, 1.350] mg/100g; Protein = 16.9 [15.9, 17.9] %; Omega3 = 0.246 [0.121, 0.496] g/100g; Selenium = 16.9 [6.2, 41.2] μg/100g; VitaminA = 18.7 [3.9, 90.4] μg/100g; Zinc = 0.62 [0.39, 0.96] mg/100g (wet weight);