Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 15 - 274 m (Ref. 2850), usually 60 - 149 m (Ref. 52190). Subtropical; 15°C - 28°C (Ref. 131062); 39°N - 22°N, 124°W - 110°W
Eastern Pacific: San Francisco in California, USA to southern Baja California, Mexico.
Length at first maturity / Size / Weight / Age
Maturity: Lm 24.5, range 23 - 34 cm
Max length : 46.0 cm TL male/unsexed; (Ref. 2850); max. published weight: 1.0 kg (Ref. 40637); max. reported age: 32 years (Ref. 39277)
Short description
Identification keys | Morphology | Morphometrics
Adults usually found on deep reefs (Ref. 2850). Adults feed on shrimps and fish (Ref. 131062). Viviparous, with planktonic larvae and pelagic juveniles (Ref. 36715). Occasionally captured by sport fishers (Ref. 2850). Minimum depth range from Ref. 96339.
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 2025-1)
Threat to humans
Harmless
Human uses
Gamefish: yes; aquarium: public aquariums
Tools
Special reports
Download XML
Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 9.7 - 17.2, mean 12.1 °C (based on 15 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): 3.7 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Low, minimum population doubling time 4.5 - 14 years (tm=7; tmax=32).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (67 of 100).
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Nutrients (Ref.
124155): Calcium = 15.2 [5.3, 47.8] mg/100g; Iron = 0.356 [0.139, 0.862] mg/100g; Protein = 19 [18, 20] %; Omega3 = 0.426 [0.167, 1.112] g/100g; Selenium = 47.9 [16.0, 145.7] μg/100g; VitaminA = 98 [30, 319] μg/100g; Zinc = 0.555 [0.269, 1.066] mg/100g (wet weight);
