Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 0 - 1200 m (Ref. 50550). Deep-water; 61°N - 34°N, 135°E - 120°W
North Pacific: southern Japan to southeastern Kamchatka to Navarin Canyon in the Bering Sea, Stalemate and Bowers Banks and the Aleutian Islands south to Point Conception, California, USA.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 47.0  range ? - ? cm
Max length : 108 cm TL mâle / non sexé; (Ref. 27437); poids max. publié: 16.2 kg (Ref. 40637); âge max. reporté: 157 années (Ref. 39247)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 13; Rayons mous dorsaux (Total) : 13; Épines anales: 3; Rayons mous anaux: 7; Vertèbres: 26. Head spines strong to moderate - nasal, preocular, supraocular, postocular, tympanic, coronal (may be absent), parietal and nuchal spines present (Ref. 27437). Less than 2 spines on lower orbital rim; very large pores on lower jaw (Ref. 27437). Caudal fin moderately indented (Ref. 6885). Reddish pink to orange red; mouth red and may have black blotches (Ref. 27437).
Body shape (shape guide): fusiform / normal.
Found on soft bottoms (Ref. 2850). Viviparous (Ref. 34817).
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
Pêche sportive: oui
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 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=0.01023 (0.00659 - 0.01589), b=3.10 (2.97 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
4.3 ±0.3 se; based on diet studies. |
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Generation time |
36.6 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Résilience (Réf. 120179) |
Très faible, temps minimum de doublement de population supérieur à 14 ans (tmax=157; k=0.04). |
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Rate of population increase |
Prior r = 0.04, 95% CL = 0.03 - 0.06, Based on 2 full stock assessments. |
Vulnérabilité de la pêche (Ref. 59153) |
High to very high vulnerability (74 of 100). 🛈 |