Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 9 - 310 m (Ref. 58496). Temperate; - 47°N
Eastern Pacific: Bering Sea coast of Alaska to Puget Sound, Washington, USA.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 10.2 cm SL mannelijk / geslacht onbekend; (Ref. 27436)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 9 - 10; Dorsale zachte stralen (totaal) : 15 - 17; Anale stekels: 0; Anale zachte stralen: 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).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 1.1 - 8, mean 5 °C (based on 261 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.6 ±0.59 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
