Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino demersale; distribuzione batimetrica 9 - 310 m (Ref. 58496). Temperate; - 47°N
Eastern Pacific: Bering Sea coast of Alaska to Puget Sound, Washington, USA.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 10.2 cm SL maschio/sesso non determinato; (Ref. 27436)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 9 - 10; Raggi dorsali molli (totale) : 15 - 17; Spine anali: 0; Raggi anali molli: 12 - 14. Caudal fin well rounded; pelvic fins small, frequently curved (Ref. 6885). Color dark olive gray or brown on dorsal surface, lighter below; dark saddles, usually four, across body; fine dark brown bars on head and all fins except anal; black spots on the fringe of the dorsal fin dark in males (Ref. 6885).
Found on soft or shell bottoms (Ref. 2850). Feeds on shrimps (Ref. 4925). Occurs at minimum depth of 9 m (Ref. 06885).
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | 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)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
Download XML
Fonti Internet
Estimates based on models
Preferred temperature (Ref.
123201): 1.1 - 8, mean 5 °C (based on 261 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5005 [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).
Trophic level (Ref.
69278): 3.6 ±0.59 se; based on food items.
Resilienza (Ref.
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).
