Eustomias melanostigma Regan & Trewavas, 1930

Family:  Stomiidae (Barbeled dragonfishes), subfamily: Melanostomiinae
Max. size:  13.6 cm SL (male/unsexed); 12.01 cm SL (female)
Environment:  bathypelagic; marine; depth range 0 - 1000 m
Distribution:  Eastern Atlantic: north of Senegal, but not at or east of Cape Verde, also at 6°N 35°W. Western Atlantic: Straits of Florida, Caribbean Sea and Puerto Rico. Also known from the Indian and West Pacific Oceans.
Diagnosis:  Dorsal soft rays (total): 25-26; Anal soft rays: 37-38; Vertebrae: 68-68. Barbel with two terminal bulbs, distal one bearing tuft of filaments (Ref. 37473); separated by a long interspace, 1.7-3.8 times the length of distal bulb in specimens larger than 7 cm SL. Barbel length 31-82% SL except when developing. Terminal filaments short, 3-7 (less than 10% SL) without prominent bulblets, arising together from distal bulb or from a short distal stem; 1 filament thicker and longer than the rest. Some or all filaments with pigmented axes. Distal bulb ovoid , only slightly longer than wide, 1.2-2.5 times proximal-bulb length. Axis of stem and between bulbs variably pigmented; a black spot or cap almost always formed at proximal end of distal bulb. External chevron-shaped or roundish striated areas on stem unpigmented. Middorsal paired spots between occiput and dorsal-fin origin 7 or 8, sometimes 9 (Ref. 11333).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 19 May 2013 Ref. (130435)
Threat to humans:  harmless


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