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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Opostomias: Greek, hoplon = weapon + Greek, stoma = mouth (Ref. 45335).
Eponymy: Takanaga Mitsui (d: 1892) was a member of the powerful MItsui clan which owned the House of Mitsui (Tokugawa shogunate period (1603–1867)) which evolved into the Mitsui group, one of the biggest trading groups in the world. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
marina batypelagisk; djupintervall 60 - 1366 m (Ref. 27311). Deep-water; 55°N - 32°N, 120°E - 117°W
Northeast Pacific: Southern California, 32-34°N, to British Columbia, 48°30'-55°N. Northwest Pacific: Japan (Ref. 559).
Size / Vikt / Age
Könsmognad: Lm ?  range ? - ? cm
Max length : 36.0 cm SL hane/ej könsbestämd; (Ref. 559)
Mesopelagic (Ref. 58302).
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 2025-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 0.4 - 8.7, mean 3.3 °C (based on 63 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00116 - 0.00786), b=3.12 (2.89 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.6 ±0.8 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 (34 of 100).
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