Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 0 - 15 m (Ref. 50610). Temperate
Pacific Ocean: Commander Islands; Pribilof and Aleutian Islands to Washington, USA.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 31.0 cm TL mâle / non sexé; (Ref. 2850)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 37 - 40; Épines anales: 0; Rayons mous anaux: 29 - 32. Light brown, gray, pale pea green, to purplish brown; breast and lower part of head lighter. Profile depressed over eyes, occiput slightly raised. Eye very small. Dorsal fin deeply notched anteriorly, forming lobe. Pyloric caeca numerous, matted closely together (more than 200) (Ref. 43939).
Ranges from tide pools to shallow water near shore (Ref. 43939).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Mecklenburg, C.W., T.A. Mecklenburg and L.K. Thorsteinson, 2002. Fishes of Alaska. American Fisheries Society, Bethesda, Maryland. xxxvii +1037 p. (Ref. 43939)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquarium: Aquariums publics
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 4.6 - 10.8, mean 7 °C (based on 569 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [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): 3.6 ±0.6 se; based on size and trophs of closest relatives
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).