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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

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

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: L_m ? 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).

Mesopelagic species (Ref. 4468).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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 2024-1)

Least Concern (LC) ; Date assessed: 06 May 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
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Length-weight rel.
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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): PD₅₀ = 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).

Bathophilus vaillanti (Zugmayer, 1911)