Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser demersal; tiefenbereich 0 - 579 m (Ref. 50550), usually 50 - ? m (Ref. 2850). Temperate
North Pacific: Hokkaido, Japan to south of St. Lawrence Island, Alaska to Agattu Island in the Aleutian chain and Wales Island, British Columbia, Canada.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 46.0 cm TL Männchen/unbestimmt; (Ref. 56578); max. veröff. Alter: 13 Jahre (Ref. 122394)
Rückenflossenstacheln (insgesamt) : 10 - 12; Rückenflossenweichstrahlen (insgesamt) : 14 - 17; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 17 - 20. Interorbital space narrow and concave, its width about 1/2 of eye diameter, and covered with bony plates (Ref. 559).
Deep records for this species is anomalous and must be regarded as questionable (Ref. 6793).
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
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 Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 0.2 - 6.6, mean 2.7 °C (based on 698 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00437 - 0.01257), b=3.12 (2.97 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Generation time: 10.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Widerstandsfähigkeit (Ref.
120179): sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (62 of 100).
