Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande; djupintervall 0 - 325 m (Ref. 6793). Temperate
North Pacific: Sea of Japan and the Sea of Okhotsk to the Chukchi Peninsula and Norton Sound, Alaska to Kiska Island in the Aleutian chain and southeastern Alaska.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 28.0 cm TL hane/ej könsbestämd; (Ref. 56557); common length : 19.5 cm TL hane/ej könsbestämd; (Ref. 56557); publicerad maxvikt: 240.00 g (Ref. 56557); rapporterad maxålder: 12 år (Ref. 56557)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 9 - 11; Mjukstrålar i ryggfenan (totalt) : 13 - 16; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 14 - 18. A few bony plates usually present on median line of interorbital space (Ref. 559). Supraocular cirrus absent in adults (Ref. 559). Three pairs of bony tubercles on occiput (Ref. 559). Cleithral spine not developed (Ref. 559). In males, spatulate cirri present on pectoral axil (Ref. 559).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | 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: Version 2024-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): -1.2 - 6.4, mean 1.7 °C (based on 722 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00557 - 0.01425), b=3.08 (2.94 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.26 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (tmax=9-10;k=0.2-0.4).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (46 of 100).
