Eustomias longibarba Parr, 1927

Family:  Stomiidae (Barbeled dragonfishes), subfamily: Melanostomiinae
Max. size:  15.6 cm SL (male/unsexed); 18.8 cm SL (female)
Environment:  bathypelagic; marine; depth range 0 - 1820 m
Distribution:  Eastern Atlantic: Morocco to Western Sahara. Western Atlantic: Gulf of Mexico, Caribbean Sea and within 10° of longitude of land from 23°N to 9°S.
Diagnosis:  Dorsal soft rays (total): 23-25; Anal soft rays: 35-37. A single terminal bulb, three times longer than wide (Ref. 37473); 1.1-2.3% SL, with a single, digitate terminal projection 12-90% of bulb length. Bulb and projection combined 1.9-3% SL. Barbel 40-78% SL mostly more than 30%. Axis of stem moderately to darkly pigmented. External chevron-shaped or roundish striated areas unpigmented, closely spaced or contiguous distally. A few tiny spheres outside axis proximal to bulb in some specimens; otherwise no spherical or granular inclusions in stem. Middorsal paired spots between occiput and dorsal-fin origin usually 8, sometimes 9 (Ref. 11333).
Biology:  Mesopelagic species (Ref. 4468).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 July 2014 Ref. (130435)
Threat to humans:  harmless


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