Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 0 - 325 m (Ref. 6793). Temperate
North Pacific: Sea of Japan and the Sea of Okhotsk to the Chukchi Peninsula and Norton Sound, Alaska to Kiska Island in the Aleutian chain and southeastern Alaska.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 28.0 cm TL mâle / non sexé; (Ref. 56557); common length : 19.5 cm TL mâle / non sexé; (Ref. 56557); poids max. publié: 240.00 g (Ref. 56557); âge max. reporté: 12 années (Ref. 56557)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 9 - 11; Rayons mous dorsaux (Total) : 13 - 16; Épines anales: 0; Rayons mous anaux: 14 - 18. A few bony plates usually present on median line of interorbital space (Ref. 559). Supraocular cirrus absent in adults (Ref. 559). Three pairs of bony tubercles on occiput (Ref. 559). Cleithral spine not developed (Ref. 559). In males, spatulate cirri present on pectoral axil (Ref. 559).
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: Version 2024-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): -1.2 - 6.4, mean 1.7 °C (based on 722 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00557 - 0.01425), b=3.08 (2.94 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.1 ±0.26 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (tmax=9-10;k=0.2-0.4).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).