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Actinopterygii (ray-finned fishes) > Stomiiformes (Lightfishes and dragonfishes) > Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335); austratlanticus: Named for its place of occurrence, South Atlantic Ocean.

Environment / Climate / Range Ecology

Marine; bathypelagic; depth range 0 - 2000 m (Ref. 11333). Deep-water, preferred ?

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South Atlantic.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 15.6 cm SL male/unsexed; (Ref. 11333)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 27; Anal soft rays: 41; Vertebrae: 70. Two terminal bulbs separated by a long interspace (usually 2.8-3 times length of distal bulb). Barbel 8.1% SL in large specimens, short 27% SL in small specimens. Terminal filament short, 3.9-9.4% SL with 2 short branches together about 2 distal-bulb lengths from the bulb. Distal bulb 1.4-2.1 times length of proximal bulb. Axis of stem pigmented, lightly in small specimen, moderately dark in large ones. External chevron-shaped or roundish striated area on stem pigmented. Middorsal paired spots between occiput and dorsal-fin origin 8 in small specimens (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. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic Level (Ref. 69278): 4.3 ±0.8 se; Based on size and trophs of closest relatives

Resilience (Ref. 69278): Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3).

Vulnerability (Ref. 59153): Low to moderate vulnerability (26 of 100) .

Entered by Capuli, Estelita Emily

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Eustomias austratlanticus Gibbs, Clarke & Gomon, 1983