Environment: milieu / climate zone / depth range / distribution range
Ecología
marino batidemersal; rango de profundidad 124 - 769 m (Ref. 27437). Deep-water; 49°N - 27°N, 126°W - 114°W
Eastern Pacific: Washington, USA to central Baja California, Mexico.
Length at first maturity / Tamaño / Peso / Age
Maturity: Lm 35.0, range 30 - 36 cm
Max length : 70.0 cm TL macho / no sexado; (Ref. 40637); peso máximo publicado: 3.5 kg (Ref. 40637); edad máxima reportada: 90 años (Ref. 52679)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 13; Radios blandos dorsales (total) : 12 - 15; Espinas anales: 3; Radios blandos anales: 6 - 8; Vértebra: 26. Head spines strong - nasal, preocular, supraocular, postocular, tympanic, parietal and nuchal spines present, coronals absent (Ref. 27437). Body dark red, skin above upper jaw, inside of mouth and rear edge of gill cover black (Ref. 27437). Branchiostegal rays: 7 (Ref. 36715).
Found on soft bottom in deep water, but young in shallower areas (Ref. 2850). Juveniles are pelagic (Ref. 36715). Viviparous, with planktonic larvae (Ref. 36715).
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Pesquerías: ; pesca deportiva: si
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): 6.7 - 9.9, mean 7.8 °C (based on 14 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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).
Nivel trófico (Ref.
69278): 3.8 ±0.5 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (tmax=90; tm=20; K=0.04-0.06).
Prior r = 0.20, 95% CL = 0.13 - 0.30, Based on 1 full stock assessment.
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (71 of 100).
