Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 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.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 76.0 cm TL maschio/sesso non determinato; (Ref. 2850); common length : 50.0 cm TL maschio/sesso non determinato; (Ref. 9276)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
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).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: commerciale
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
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). |
Livello trofico (Fonte Biblio. 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. |
Resilienza (Fonte Biblio. 120179) |
Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Moderate to high vulnerability (54 of 100). 🛈 |
Categoria di prezzo (Ref. 80766) |
Medium.
|
Nutrienti (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); |