Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina djupbottenlevande; djupintervall 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 / Size / Vikt / Age
Maturity: Lm 35.0, range 30 - 36 cm
Max length : 70.0 cm TL hane/ej könsbestämd; (Ref. 40637); publicerad maxvikt: 3.5 kg (Ref. 40637); rapporterad maxålder: 90 år (Ref. 52679)
Taggstrålar i ryggfenan (totalt): 13; Mjukstrålar i ryggfenan (totalt): 12-15; Taggstrålar i analfenan 3; Mjukstrålar i analfenan: 6 - 8; Ryggkotor: 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)
Threat to humans
Harmless
Human uses
Ytterligare information
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
MedarbetareBilderStamps, Coins Misc.LjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
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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 (0.00499 - 0.02004), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.8 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (tmax=90; tm=20; K=0.04-0.06).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (71 of 100).