Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 0 - 680 m (Ref. 50610). Deep-water; 62°N - 36°N, 127°E - 121°W
North Pacific: Japan and Bering Sea to Monterey Bay in California, USA.
Taille / Poids / Âge
Maturity: Lm ?  range ? - 12.3 cm
Max length : 183 cm TL mâle / non sexé; (Ref. 2850); poids max. publié: 91.0 kg (Ref. 2850)
Épines dorsales (Total): 11 - 12; Rayons mous dorsaux (Total): 13-16; Épines anales 3; Rayons mous anaux: 10 - 12. Body stout. Head round on dorsal profile. Dorsal fin separated by a space less than eye diameter. anal fin without a distinct spine. Young fish with striking white blotches on body. Color changes to dark gray.
Adults inhabit deep rocky bottoms offshore (Ref. 6885). Juveniles associated with drifting seaweed (Ref. 12114, 12115).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Hart, J.L., 1973. Pacific fishes of Canada. Bull. Fish. Res. Board Can. 180:740 p. (Ref. 6885)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; pêche sportive: oui; Aquarium: Aquariums publics
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Estimates based on models
Preferred temperature (Ref.
123201): 0.8 - 7, mean 4.1 °C (based on 300 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.2500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01905 (0.01094 - 0.03320), b=2.99 (2.83 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 4.5 ±0.37 se; based on food items.
Generation time: 14.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Résilience (Ref.
120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (85 of 100).
Nutrients (Ref.
124155): Calcium = 11.3 [6.5, 26.1] mg/100g; Iron = 0.376 [0.187, 0.758] mg/100g; Protein = 17.3 [15.9, 18.6] %; Omega3 = 0.466 [0.207, 1.313] g/100g; Selenium = 25.7 [11.3, 64.9] μg/100g; VitaminA = 9.71 [2.11, 43.35] μg/100g; Zinc = 0.244 [0.166, 0.375] mg/100g (wet weight);