Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur ? - 365 m (Ref. 36715), usually 75 - 150 m (Ref. 36715). Subtropical; 38°N - 29°N, 124°W - 115°W
Eastern Pacific: San Francisco in California, USA to northern Baja California, Mexico; rare north of Santa Barbara, California.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm 28.0  range ? - ? cm
Max length : 56.0 cm TL mâle / non sexé; (Ref. 2850); poids max. publié: 950.00 g (Ref. 40637); âge max. reporté: 37 années (Ref. 39277)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 13; Rayons mous dorsaux (Total) : 13 - 16; Épines anales: 3; Rayons mous anaux: 7 - 8; Vertèbres: 27. Branchiostegal rays: 7 (Ref. 36715).
Adults are found commonly on deep rocky areas in southern California, USA from 30-366 m. Viviparous, with planktonic larvae (Ref. 36715).
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: commercial
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 7.5 - 11.3, mean 8.5 °C (based on 16 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00499 - 0.02004), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.8 ±0.5 se; based on size and trophs of closest relatives
Generation time: 20.7 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (tm=7; tmax=37).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (70 of 100).