Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande; djupintervall 0 - 80 m (Ref. 58017). Temperate
North Pacific: Japan to the Gulf of Alaska.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 21.0 cm TL hane/ej könsbestämd; (Ref. 2850)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 2; Mjukstrålar i ryggfenan (totalt) : 41 - 45; Taggstrålar i analfenan: 1 - 2; Mjukstrålar i analfenan: 29 - 34. Pelvic fin thoracic, consisting of 1 spine and 5 soft rays, not covered with scales. Length of scaled portion of caudal fin less than 1/2 its whole length. Maxillary extending to below about middle of eye. Attains about 20 cm SL.
Inhabits tide pools and shallow inshore areas (Ref. 2850).
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 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 1.9 - 7.9, mean 3.6 °C (based on 316 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5703 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.6 ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
