Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 73 - 225 m (Ref. 51661), usually 73 - 223 m (Ref. 2850). Temperate
Eastern Pacific: eastern Aleutian Islands to Puget Sound, Washington. Records from the Bering Sea, western Aleutian Islands, and Sakhalin Island are questionable.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 30.5 cm TL mannelijk / geslacht onbekend; (Ref. 4925)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 37 - 40; Anale stekels: 0; Anale zachte stralen: 30 - 34. Caudal narrow and rounded. Pectorals with a rounded upper part and the lowest rays lengthened to form a notch.
Inhabits subtidal to 225 meters (Ref. 51661). Feeds on crustaceans (Ref. 4925).
Levenscyclus en paargedrag
Maturities | Voortplanting | 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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 2.9 - 8.1, mean 5.3 °C (based on 248 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00237 - 0.01161), b=3.15 (2.96 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.5 ±0.50 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).