Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 9 - 55 m (Ref. 131059), usually 15 - 55 m (Ref. 2850). Subtropical; 42°N - 26°N, 125°W - 113°W
Eastern Pacific: Eureka in northern California, USA to central Baja California, Mexico.
Length at first maturity / Size / Weight / Age
Maturity: Lm 17.0  range ? - ? cm
Max length : 39.0 cm TL male/unsexed; (Ref. 2850); max. reported age: 30 years (Ref. 39268)
Short description
Identification keys | Morphology | Morphometrics
Inhabit holes or crevices in rocky areas (Ref. 2850). Solitary (Ref. 131059) and territorial (Ref. 2850). 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
Fisheries: commercial; gamefish: yes; aquarium: public aquariums
Tools
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 12.1 - 19, mean 14.9 °C (based on 18 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 (0.00495 - 0.02022), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.6 ±0.52 se; based on food items.
Generation time: 4.3 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resilience (Ref.
120179): Low, minimum population doubling time 4.5 - 14 years (tmax=30).
Prior r = 0.18, 95% CL = 0.12 - 0.28, Based on 1 full stock assessment.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
Nutrients (Ref.
124155): Calcium = 62.5 [19.6, 201.5] mg/100g; Iron = 0.667 [0.263, 1.784] mg/100g; Protein = 18.6 [17.4, 19.8] %; Omega3 = 0.628 [0.273, 1.520] g/100g; Selenium = 52.1 [19.1, 169.2] μg/100g; VitaminA = 17.1 [5.9, 48.7] μg/100g; Zinc = 0.625 [0.317, 1.193] mg/100g (wet weight);