Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 15 - 450 m (Ref. 50550). Temperate
North Pacific: eastern Hokkaido, Japan to the Bering Sea.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 25.0, range 24 - 26 cm
Max length : 29.0 cm SL mannelijk / geslacht onbekend; (Ref. 559)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 9 - 11; Dorsale zachte stralen (totaal) : 15 - 18; Anale stekels: 0; Anale zachte stralen: 17 - 19. Interorbital space wide, its width about 1.5 times eye diameter, and covered with bony plates (Ref. 559).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
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): 0.4 - 5.9, mean 2.8 °C (based on 418 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00381 - 0.01046), b=3.04 (2.89 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.35 se; based on food items.
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 (tm=5-6; tmax=17; K=0.13-0.17; Fec=6,100-72,000).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (25 of 100).