Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina djupbottenlevande; djupintervall 35 - 1993 m (Ref. 86880). Deep-water
North Pacific: off Japan, and from the Sea of Okhotsk to off Washington, USA.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 32.3 cm SL hane/ej könsbestämd; (Ref. 27311)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 58 - 64; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 52 - 58; Ryggkotor: 64 - 70. Pectoral fin slightly notched; disk length 13.2 to 20.0% of head length (Ref. 559). Body indigo; fins black; peritoneum black; stomach pale (Ref. 559).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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 2024-2)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 1.3 - 4.8, mean 3.1 °C (based on 231 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00208 - 0.01002), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).
