Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 0 - 579 m (Ref. 50550), usually 50 - ? m (Ref. 2850). Temperate
North Pacific: Hokkaido, Japan to south of St. Lawrence Island, Alaska to Agattu Island in the Aleutian chain and Wales Island, British Columbia, Canada.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 46.0 cm TL mâle / non sexé; (Ref. 56578); âge max. reporté: 13 années (Ref. 122394)
Épines dorsales (Total): 10 - 12; Rayons mous dorsaux (Total): 14-17; Épines anales 0; Rayons mous anaux: 17 - 20. Interorbital space narrow and concave, its width about 1/2 of eye diameter, and covered with bony plates (Ref. 559).
Deep records for this species is anomalous and must be regarded as questionable (Ref. 6793).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
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Estimates based on models
Preferred temperature (Ref.
123201): 0.2 - 6.6, mean 2.7 °C (based on 698 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00437 - 0.01257), b=3.12 (2.97 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Très faible, temps minimum de doublement de population supérieur à 14 ans (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).