Teleostei (teleosts) >
Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Bathophilus: Greek, bathys = deep + Greek, phyle = dear, friend of (Ref. 45335).
Eponymy: Professor Léon Louis Vaillant (1834–1914) was a French herpetologist, ichthyologist and malacologist at the Muséum National d’Histoire Naturelle, Paris, well known for his researches in East Indian ichthyology. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 0 - 4900 m (Ref. 58018). Deep-water; 45°N - 48°S
Eastern Atlantic: Portugal south to Mauritania. Western Atlantic: USA to Bahamas. Northwest Atlantic: Canada (Ref. 5951). Southwest Pacific: New Zealand (Ref. 5755).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 18.0 cm SL male/unsexed; (Ref. 4468)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 13 - 16; Anal soft rays: 14 - 17. Body cylindrical than compressed. Barbel very long and slender. Black to steely grey, with metallic sheen that may be purplish to greenish or bronzy (Ref. 37473).
Body shape (shape guide): elongated.
Mesopelagic species (Ref. 4468).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Gibbs, R.H. Jr., 1984. Melanostomiidae. p. 341-365. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 1. (Ref. 4740)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 2.4 - 8.5, mean 3.7 °C (based on 1095 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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).
Trophic level (Ref.
69278): 4.4 ±0.8 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
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