Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range ? - 91 m (Ref. 2850). Temperate
North Pacific: Kamchatka, Russia through the Aleutian chain and the Bering Sea to the Bering Strait coasts of Alaska and Humboldt Bay, California, USA.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 42.0 cm TL male/unsexed; (Ref. 2850)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 61 - 62; Dorsal soft rays (total): 0; Anal spines: 1; Anal soft rays: 44 - 51. Caudal rounded (Ref. 6885). Pale brown with white to cream markings, paler below; irregular light areas on upper part of body, and vertical light bars below; dark bars run down from eyes; prominent dark bars on the dorsal, caudal and anal fins (Ref. 6885).
Usually among seaweed on rocky bottoms (Ref. 2850); in reef crevices, usually among algae (Ref. 51666). Occurs in subtidal areas to 91 m depth (Ref. 2850).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
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)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: public aquariums
Tools
Special reports
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 4.1 - 10.4, mean 8 °C (based on 180 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00147 - 0.00941), b=3.17 (2.95 - 3.39), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).