Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina; djupintervall 0 - 900 m (Ref. 50610). Subtropical; 60°N -
North Pacific: Japan and Gulf of Alaska to central Baja California, Mexico.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 46.0 cm TL hane/ej könsbestämd; (Ref. 6885)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 3; Mjukstrålar i ryggfenan (totalt) : 34 - 39; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 20 - 25. Caudal rounded with small notch, narrow; pectorals small, rounded (Ref. 6885). Bluish gray to brown, darker on scale pockets, fins dusky to black (Ref. 6885).
Found near surface and to at least 91 m depth (Ref. 2850). Young are abundant offshore, often among jellyfish (Ref. 2850).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 0.9 - 12, mean 6.6 °C (based on 126 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01380 (0.00555 - 0.03435), b=3.06 (2.85 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.7 ±0.33 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
