Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 0 - 146 m (Ref. 2850), usually 0 - 30 m (Ref. 2850). Subtropical; 13°C - 22°C (Ref. 131086); 41°N - 27°N, 125°W - 114°W
Eastern Pacific: Redding Rock in northern California, USA to central Baja California, Mexico.
Length at first maturity / Size / Weight / Age
Maturity: Lm 35.6, range 32 - 39 cm
Max length : 61.0 cm TL male/unsexed; (Ref. 2850); max. published weight: 1.6 kg (Ref. 40637); max. reported age: 30 years (Ref. 56049)
Sometimes found well off bottom, in or near kelp or over rocky reefs (Ref. 2850). Juveniles are pelagic (Ref. 36715). 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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Gamefish: yes; aquarium: public aquariums
Tools
Special reports
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 12 - 19.1, mean 15.1 °C (based on 14 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00489 - 0.01552), b=3.05 (2.89 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.2 ±0.4 se; based on diet studies.
Resilience (Ref.
120179): Low, minimum population doubling time 4.5 - 14 years (tm=5; tmax=30; K=0.22-0.28; Fec=71,000).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).
Nutrients (Ref.
124155): Calcium = 15.3 [5.6, 49.2] mg/100g; Iron = 0.368 [0.142, 0.932] mg/100g; Protein = 19.6 [18.4, 20.8] %; Omega3 = 0.433 [0.166, 1.110] g/100g; Selenium = 44.1 [15.2, 143.0] μg/100g; VitaminA = 67.9 [24.9, 190.8] μg/100g; Zinc = 0.415 [0.208, 0.831] mg/100g (wet weight);
