Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien demersaal; diepte ? - 46 m (Ref. 2850). Temperate; 66°N - 32°N
Eastern Pacific: Amchitka Island, in the Aleutian chain (Ref. 27436) to La Jolla, southern California, USA.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 61.0 cm TL mannelijk / geslacht onbekend; (Ref. 27436); max. gepubliceerd gewicht: 2.1 kg (Ref. 27436); max. gerapporteerde leeftijd: 18 Jaren (Ref. 55701)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 21 - 22; Dorsale zachte stralen (totaal) : 24; Anale stekels: 1; Anale zachte stralen: 23 - 24. Caudal broadly rounded or truncate.
Body shape (shape guide): fusiform / normal.
Occurs in rocky inshore areas, common on kelp beds, also on sand bottoms (Ref. 2850). Feeds on crustaceans, polychaete worms, brittle stars, mollusks, and small fishes (Ref. 28499). Young are food of steelheads and salmon (Ref. 6885). Frequently caught by shore and skiff fishers and speared by divers (Ref. 2850).
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang; sportvis: ja; Aquarium: Publieke aquaria
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 4.1 - 13, mean 8.6 °C (based on 128 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5176 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00363 - 0.01908), b=3.12 (2.92 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.6 ±0.55 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tm=3-5; tmax=18).
Prior r = 0.23, 95% CL = 0.15 - 0.35, Based on 1 full stock assessment.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
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Nutrients (Ref.
124155): Calcium = 42.4 [17.8, 81.4] mg/100g; Iron = 0.392 [0.181, 0.862] mg/100g; Protein = 18.4 [16.4, 20.3] %; Omega3 = 0.782 [0.349, 2.160] g/100g; Selenium = 12.8 [6.9, 31.3] μg/100g; VitaminA = 11.9 [3.7, 34.9] μg/100g; Zinc = 0.52 [0.36, 0.78] mg/100g (wet weight);
