Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 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.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 30.5 cm TL mâle / non sexé; (Ref. 4925)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 37 - 40; Épines anales: 0; Rayons mous anaux: 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).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 2.9 - 8.1, mean 5.3 °C (based on 248 cells).
Phylogenetic diversity index (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).
Niveau trophique (Ref.
69278): 3.5 ±0.50 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).