Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino demersale; distribuzione batimetrica 0 - 12 m (Ref. 2850). Temperate; 66°N - 32°N
Eastern Pacific: Bering Sea coast of Alaska to southern California, USA.
Size / Peso / Age
Maturità: Lm ?  range ? - ? cm
Max length : 20.0 cm TL maschio/sesso non determinato; (Ref. 2850)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 69 - 78; Raggi dorsali molli (totale) : 0; Spine anali: 2 - 3; Raggi anali molli: 40 - 50. Caudal rounded; pectorals very small (Ref. 6885). Olive green to olive dark brown dorsally, yellow to green ventrally, frequently with darker markings on side, small white spots sometimes evident along midside, 4 light and dark streaks reaching back and down from eyes, fins green to brown tinged with yellow (Ref. 6885).
Found under rocks in intertidal areas and to about 12 m depth (Ref. 2850). Feeds on crustaceans, and red and green algae (Ref. 6885).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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 Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
Download XML
Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 4.7 - 13, mean 8.2 °C (based on 581 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 2.6 ±0.20 se; based on food items.
Resilienza (Fonte Biblio.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
🛈