Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien bathydemersaal; diepte 18 - 400 m (Ref. 2850). Deep-water; 55°N - 48°N, 127°W - 116°W
Eastern Pacific: Burrard Inlet, British Columbia to northern Baja California, Mexico.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 19.0 cm TL mannelijk / geslacht onbekend; (Ref. 2850)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 6 - 7; Dorsale zachte stralen (totaal) : 7 - 8; Anale stekels: 0; Anale zachte stralen: 7 - 9. Caudal fin rounded. Pelvic fins small.
Inhabits soft bottoms. Larvae pelagic (Ref. 6885). Feeds almost exclusively on crustaceans, mainly mysids. Preyed upon by flatfishes, hake, and lancetfish (Ref. 6885).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | 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: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 7.6 - 11.2, mean 8.6 °C (based on 36 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5625 [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).
Trofisch niveau (Ref.
69278): 3.2 ±0.40 se; based on food items.
Generation time: 2.4 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).