Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathypélagique; profondeur 350 - 3000 m (Ref. 1371), usually 1200 - 2700 m (Ref. 5951). Deep-water; 70°N - 68°S, 180°W - 180°E
Circumglobal: Except the North Pacific north of 10°N. Reported from the Walvis Ridge and near the Discovery and Meteor seamounts (Ref. 44938).
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 42.0, range 41 - 43 cm
Max length : 75.0 cm SL mâle / non sexé; (Ref. 5208); poids max. publié: 3.3 kg (Ref. 128737); poids max. publié: 3.3 kg; âge max. reporté: 44 années (Ref. 128738)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 55 - 61; Épines anales: 0; Rayons mous anaux: 36 - 44; Vertèbres: 57 - 60. Blue-grey to blackish (Ref. 6606).
Found on the continental slope and upper rise (Ref. 6606). Epibenthic (Ref. 58426) and benthopelagic (Ref. 5951). Deep waters to 3277 m (Ref. 58426). May move offshore with age and spawn in the deep parts of its range. Off the eastern coast of United States, it is speculated that the population use the area only as feeding grounds with spawning taking place to the north. Feed on benthic invertebrates (Ref. 9319). Maximum weight of female from Ref. 128738.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 1.9 - 4.6, mean 2.9 °C (based on 4347 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00331 (0.00267 - 0.00411), b=3.15 (3.08 - 3.22), in cm total length, based on LWR estimates for this species (Ref.
93245).
Niveau trophique (Ref.
69278): 3.6 ±0.47 se; based on food items.
Résilience (Ref.
120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (K=0.05-1.0; tm=15; tmax=44).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (70 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155): Calcium = 19.8 [5.7, 48.2] mg/100g; Iron = 0.264 [0.114, 0.738] mg/100g; Protein = 17.6 [15.8, 19.4] %; Omega3 = 0.114 [0.044, 0.291] g/100g; Selenium = 25.8 [8.1, 70.4] μg/100g; VitaminA = 19.4 [2.2, 160.1] μg/100g; Zinc = 0.507 [0.276, 1.026] mg/100g (wet weight);
