Environment: milieu / climate zone / distribuzione batimetrica / distribution range
Ecologia
marino demersale; distribuzione batimetrica 15 - 450 m (Ref. 50550). Temperate
North Pacific: eastern Hokkaido, Japan to the Bering Sea.
Length at first maturity / Size / Peso / Age
Maturità: Lm 25.0, range 24 - 26 cm
Max length : 29.0 cm SL maschio/sesso non determinato; (Ref. 559)
Short description
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 9 - 11; Raggi dorsali molli (totale) : 15 - 18; Spine anali: 0; Raggi anali molli: 17 - 19. Interorbital space wide, its width about 1.5 times eye diameter, and covered with bony plates (Ref. 559).
Body shape (shape guide): fusiform / normal.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Fonte Biblio.
123201): 0.4 - 5.9, mean 2.8 °C (based on 418 cells).
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00631 (0.00384 - 0.01037), b=3.04 (2.89 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Fonte Biblio.
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.
Resilienza (Fonte Biblio.
120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (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).
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