Environment: milieu / climate zone / depth range / distribution range
Ecología
marino demersal; rango de profundidad 20 - 1005 m (Ref. 50550), usually 400 - 600 m (Ref. 56390). Temperate
North Pacific: Hokkaido, Japan and Navarin Canyon in the Bering Sea to the Aleutian chain and the Gulf of Alaska.
Tamaño / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 21.1 cm TL macho / no sexado; (Ref. 56390); peso máximo publicado: 80.00 g (Ref. 56395); edad máxima reportada: 9 años (Ref. 56390)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 7 - 8; Radios blandos dorsales (total) : 23 - 24; Espinas anales: 0; Radios blandos anales: 18 - 21. Body scales with serrated margin posteriorly; usually the ventral scale row present (Ref. 559). Infraorbital and nuchal spines strong; the uppermost spine of preoperculum bifid or trifid (Ref. 559). Enlarged pores along ventral margin of infraorbitals (Ref. 559). Nostril tube black (Ref. 559).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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 2024-1)
Threat to humans
Harmless
Human uses
Pesquerías: sin interés
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): 1.4 - 3.6, mean 2 °C (based on 77 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00281 - 0.01234), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.5 ±0.4 se; based on diet studies.
Resiliencia (Ref.
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).