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: Version 2024-1)
Threat to humans
Harmless
Human uses
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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 (0.00164 - 0.00841), b=3.41 (3.21 - 3.61), 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);
