Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 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 / Size / Weight / Age
Maturity: Lm 16.4, range 15 - 18 cm
Max length : 20.0 cm SL male/unsexed; (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
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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.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (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);