Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bentopelagisk; djupintervall 1 - 620 m (Ref. 58302). Deep-water
Pacific Ocean: Okinawa (Ryukyu Islands), Fiji and Tuvalu (Ref. 12596), Hawaii. Indian Ocean: western part of equatorial zone.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 47.0 cm SL hane/ej könsbestämd; (Ref. 559)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 33 - 35; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 24; Ryggkotor: 17 - 23. Body color dark-brown to black. Scales on body and head spineless. Scaleless areas above and behind the eye. Caudal fin rounded in young and juveniles, forked in adults. Attains 47 cm SL.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Benthopelagic (Ref. 58302). Maximum depth reported taken from Ref. 129050.
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
Sportfisk: ja
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 13.9 - 26.9, mean 20.9 °C (based on 400 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00734 - 0.02718), b=2.95 (2.77 - 3.13), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.0 ±0.57 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).