Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 219 - 610 m. Deep-water; 57°S - 78°S
Southern Ocean: circum-Antarctic on continental shelf, insular shelf of the South Sandwich Islands, South Orkney Islands, Elephant Island and South Shetland Island.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 27.1 cm TL mâle / non sexé; (Ref. 124149); 28.7 cm TL (female); poids max. publié: 84.80 g (Ref. 124149); poids max. publié: 84.80 g
Larvae 12-13 mm TL found in November, larval pelagic phase is long (Ref. 41551). Larvae and juveniles present during summer. Food item: amphipods, Euphausia superba. Dependence on krill indicative from association of juveniles with krill concentrations in oceanic waters (Ref. 5192).
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - 0.7, mean -0.9 °C (based on 472 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00170 (0.00110 - 0.00263), b=3.26 (3.13 - 3.39), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.0 ±0.00 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Fec = 1,400-1,968).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).