Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur ? - 46 m (Ref. 2850). Temperate; 66°N - 32°N
Eastern Pacific: Amchitka Island, in the Aleutian chain (Ref. 27436) to La Jolla, southern California, USA.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 61.0 cm TL mâle / non sexé; (Ref. 27436); poids max. publié: 2.1 kg (Ref. 27436); âge max. reporté: 18 années (Ref. 55701)
Épines dorsales (Total): 21 - 22; Rayons mous dorsaux (Total): 24; Épines anales 1; Rayons mous anaux: 23 - 24. Caudal broadly rounded or truncate.
Occurs in rocky inshore areas, common on kelp beds, also on sand bottoms (Ref. 2850). Feeds on crustaceans, polychaete worms, brittle stars, mollusks, and small fishes (Ref. 28499). Young are food of steelheads and salmon (Ref. 6885). Frequently caught by shore and skiff fishers and speared by divers (Ref. 2850).
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
Pêcheries: intérêt commercial mineur; pêche sportive: oui; Aquarium: Aquariums publics
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Estimates based on models
Preferred temperature (Ref.
123201): 4.1 - 13, mean 8.6 °C (based on 128 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5159 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00361 - 0.01917), b=3.12 (2.92 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.6 ±0.55 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (tm=3-5; tmax=18).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 42.4 [17.8, 81.4] mg/100g; Iron = 0.392 [0.181, 0.862] mg/100g; Protein = 18.4 [16.4, 20.3] %; Omega3 = 0.782 [0.349, 2.160] g/100g; Selenium = 12.8 [6.9, 31.3] μg/100g; VitaminA = 11.9 [3.7, 34.9] μg/100g; Zinc = 0.52 [0.36, 0.78] mg/100g (wet weight);