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> Stomiiformes (Lightfishes and dragonfishes) > Stomiidae (Barbeled dragonfishes) > Melanostomiinae
Etymology: Eustomias: Greek, eu = good + Greek, stoma = mouth (Ref. 45335); elongatus: Named in reference to its elongate terminal bulb as well as fact that this species has the relatively longest barbel among known species of Dinematochirus (Ref. 45801).

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

seewasser bathypelagisch; tiefenbereich 0 - 370 m (Ref. 45801). Deep-water

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Eastern Central Pacific: near Hawaii and two stations to the west.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 13.4 cm SL (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

BL greater than 20% SL; barbel with five similar branches apparently arising together from main stem (lateral pair actually arising from bases of medio-lateral pair); stem solidly pigmented, pigment extending onto dorsal side of terminal bulb; bulb elongate, only slightly thicker than stem, with an unpigmented tip usually directed dorsad; terminal filament absent or single and minute, arising from ventral side of bulb tip (Ref. 45801).

Epi- and mesopelagic (Ref. 58302).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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Clarke, T.A., 2001. Pelagic fishes of the genus Eustomias, subgenus Dinematochirus (Stomiidae), in the Indo-Pacific with the description of twelve new speices. Copeia 2001(3):683-699. (Ref. 45801)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 19 July 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 9.3 - 15.3, mean 15.1 °C (based on 3 cells).

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

Bayesian length-weight: a=0.00302 (0.00117 - 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): 4.2 ±0.8 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Eustomias elongatus Clarke, 2001