Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 0 - 780 m (Ref. 5515). Temperate; 59°N - 32°N
Eastern Pacific: Puffin Bay, southeastern Alaska to Santa Barbara Island, southern California, USA.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 29.0 cm TL mâle / non sexé; (Ref. 2850)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 18 - 20; Épines anales: 0; Rayons mous anaux: 14 - 16; Vertèbres: 35. Dorsal deeply notched between third and fourth spine, and between spinous and rayed portions; caudal rounded (Ref. 6885). Color brown, often tinged with red on dorsal surface, mottled and barred with 4 dark saddles over dorsal surface (Ref. 6885).
Occurs in intertidal areas and down to at least 130 or 780 m depth (Ref. 5515). Usually found in subtidal areas of exposed coasts (Ref. 2850). Feeds on crustaceans (Ref. 6885).
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): 3.8 - 8.1, mean 5.5 °C (based on 136 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00300 - 0.01523), b=3.17 (2.98 - 3.36), 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): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
