Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino associati a barriera corallina; distribuzione batimetrica 15 - 467 m (Ref. 27437), usually 50 - 274 m (Ref. 27437). Subtropical; 8°C - 9°C (Ref. 131066); 62°N - 27°N, 149°W - 113°W
Eastern Pacific: Prince William Sound, Alaska and Queen Charlotte Island, British Columbia, Canada to central Baja California, Mexico.
Lunghezza alla prima maturità / Dimensione / Peso / Età
Maturità: Lm 37.0, range 37 - 46 cm
Max length : 91.0 cm TL maschio/sesso non determinato; (Ref. 27436); peso massimo pubblicato: 6.8 kg (Ref. 2850); Età massima riportata: 60 anni (Ref. 56049)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 13; Raggi dorsali molli (totale) : 13 - 15; Spine anali: 3; Raggi anali molli: 7. Head spines moderate to weak - nasal, preocular, supraocular, postocular, tympanic and parietal spines present, nuchals usually absent, coronals absent (Ref. 27437). Lower jaw rough and scaly; caudal peduncle deep (Ref. 27437). Caudal fin slightly indented (Ref. 6885). Dark red in color, sides mottled with gray; mouth and fins red, fins usually edged with black; 3 obscure stripes radiating from each eye (Ref. 27437).
Body shape (shape guide): fusiform / normal.
Adults inhabit shallow to deep rocky reefs, less common on deep ones (Ref. 2850). Young inhabit shallow water (Ref. 2850). Viviparous (Ref. 34817). Sold as fillets together with other rockfish (Ref. 27436). Maximum depth and minimum common depth from Ref. 128668.
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: scarso interesse commerciale; Pesce da pesca sportiva: si; Acquario: Acquari pubblici
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Livello trofico (Fonte Biblio. 69278) |
3.4 ±0.37 se; based on food items. |
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Generation time |
7.9 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Resilienza (Fonte Biblio. 120179) |
Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (tm=6; tmax =60). |
Vulnerabilità della pesca (Ref. 59153) |
Moderate to high vulnerability (51 of 100). 🛈 |
Categoria di prezzo (Ref. 80766) |
Medium.
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Nutrienti (Ref. 124155) |
Calcium = 11.3 [4.2, 35.4] mg/100g; Iron = 0.336 [0.131, 0.813] mg/100g; Protein = 19.3 [18.2, 20.6] %; Omega3 = 0.393 [0.155, 1.005] g/100g; Selenium = 58 [20, 180] μg/100g; VitaminA = 55.3 [19.4, 153.8] μg/100g; Zinc = 0.425 [0.215, 0.826] mg/100g (wet weight); |