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Perciformes/Notothenioidei (Icefishes) >
Bathydraconidae (Antarctic dragonfishes) > Bathydraconinae
Eponymy: Baron Adrien Victor Joseph de Gerlache de Gomery (1866–1934) was an officer in the Belgian Royal Navy who led the Belgian Antarctic Expedition (1897–1899). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 200 - 670 m. Deep-water; 60°S - 78°S
Southern Ocean: Antarctic Peninsula, Elephant Island and Antarctic continental shelf.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm TL mâle / non sexé; (Ref. 124152); 28.0 cm TL (female); poids max. publié: 57.10 g (Ref. 124149); poids max. publié: 57.10 g
Breeding stock in the Weddell Sea consisted of individuals larger than 20 cm SL. Adults feed mainly on pelagic crustaceans: Euphausia superba, Hyperiella antarctica, Euphausia crystallorophias and other amphipods (Ref. 5192). Larval pelagic phase is long (Ref. 41551).
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: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
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Estimates based on models
Preferred temperature (Ref.
123201): -1.8 - 1.1, mean -0.9 °C (based on 570 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00155 (0.00122 - 0.00197), b=3.26 (3.19 - 3.33), in cm total length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Ref.
69278): 3.3 ±0.53 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Fec = 1,143).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).