Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 25 - 770 m (Ref. 6793). Temperate
North Pacific: eastern Sea of Okhotsk to Cape Navarin in the Bering Sea to Agattu Island in the Aleutian chain and Vancouver Island, British Columbia, Canada.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 24.0 cm TL mannelijk / geslacht onbekend; (Ref. 56391)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 8 - 9; Dorsale zachte stralen (totaal) : 20 - 21; Anale stekels: 0; Anale zachte stralen: 15 - 17. Caudal fin rounded; pectoral fins rounded, reaching anus, lower rays exserted (Ref. 6885). Color brownish on upper surface, paler below; four dark saddles across back; dark bands on dorsal, caudal, and pectoral fins, the other fins are plain (Ref. 6885).
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
Download XML
Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 0.7 - 6.3, mean 3.4 °C (based on 317 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00406 - 0.01028), b=3.09 (2.95 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.6 ±0.4 se; based on diet studies.
Generation time: 8.5 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).
