Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino benthopelagico; distribuzione batimetrica 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 / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 47.0 cm SL maschio/sesso non determinato; (Ref. 559)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 33 - 35; Spine anali: 0; Raggi anali molli: 24; Vertebre: 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.
Benthopelagic (Ref. 58302). Maximum depth reported taken from Ref. 129050.
Life cycle and mating behavior
Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | 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)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti Internet
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 (0.00737 - 0.02705), b=2.95 (2.77 - 3.13), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 4.0 ±0.57 se; based on food items.
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (43 of 100).