Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin récifal; profondeur 3 - 60 m (Ref. 91172). Subtropical; 38°N - 30°S, 180°W - 70°W
Eastern Pacific from northern California to Chile and Hawaiian Islands; including the Galapagos Islands.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 76.0 cm TL mâle / non sexé; (Ref. 2850); common length : 50.0 cm TL mâle / non sexé; (Ref. 9276)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Body compressed and deep; skin thick, with large, rectilinear, plate-like scales that are easily visible to the naked eye; mouth small; teeth strong and protruding, 8 in each jaw; dorsal fin with 3 spines and 26 to 28 rays; scales behind the gill openings larger than the neighboring scales; snout surrounded by scales (Ref. 55763).
Body shape (shape guide): short and / or deep.
Occurs in rocky reefs, boulder strewn slopes and adjacent areas of sand. Adults demersal; young pelagic (Ref. 2850). Feeds on sea urchins, small crustaceans and mollusks (Ref. 5227). Minimum depth 3m (Ref. 116844).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.03020 (0.01987 - 0.04591), b=2.80 (2.68 - 2.92), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.3 ±0.37 se; based on food items. |
|
Generation time |
6.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate to high vulnerability (54 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Medium.
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Nutriments (Ref. 124155) |
Calcium = 15.3 [5.8, 48.1] mg/100g; Iron = 0.482 [0.239, 1.121] mg/100g; Protein = 19.3 [18.1, 20.5] %; Omega3 = 0.169 [0.108, 0.270] g/100g; Selenium = 21.1 [8.4, 45.9] μg/100g; VitaminA = 23.3 [5.9, 98.5] μg/100g; Zinc = 0.596 [0.382, 0.939] mg/100g (wet weight); |