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Teleostei (teleosts) > Stomiiformes (Lightfishes and dragonfishes) > Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335); teuthidopsis: From the terminal filaments, which resemble the arms and enlarged pair of tentacles of squid..

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; pelagic-oceanic; depth range 0 - 171 m (Ref. 11333). Tropical

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Pacific Ocean: near the Cook Islands.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 19.1 cm SL male/unsexed; (Ref. 11333)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 25; Anal soft rays: 36; Vertebrae: 67. A single terminal bulb 0.8% SL. Barbel length long 89% SL. Short terminal filaments ca 13, 1.8 times bulb length; 2 filaments notably thicker than others, with blunt distal ends and with few or no bulblets. Axis of stem lightly peppered with melanophores; a small dark spot at the base of terminal bulb; groups of small melanophores forming external spots just proximal to bulb. External chevron-shaped or roundish striated areas unpigmented. Number of paired spots unknown (Ref. 11333).

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Main reference Upload your references | References | Coordinator | Collaborators

Gibbs, R.H. Jr., T.A. Clarke and J.R. Gomon, 1983. Taxonomy and distribution of the stomioid fish genus Eustomias (Melanostomiidae), I: subgenus Nominostomias. Smithson. Contrib. Zool. 380:139 p. (Ref. 11333)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 13 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00302 (0.00117 - 0.00783), 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 (13 of 100).

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Eustomias teuthidopsis Gibbs, Clarke & Gomon, 1983