Eustomias macrophthalmus Parr, 1927

Family:  Stomiidae (Barbeled dragonfishes), subfamily: Melanostomiinae
Max. size:  11.1 cm SL (male/unsexed)
Environment:  pelagic-oceanic; marine; depth range 0 - 1800 m
Distribution:  Western Atlantic: off the Bahamas and in the Gulf of Mexico and the Caribbean Sea.
Diagnosis:  Dorsal soft rays (total): 20-25; Anal soft rays: 35-37. Body slender and elongate, color black; body depth 6.3-8.7% SL. Head length 13.3% SL. Lower jaw about equal to length of upper jaw and is not upturned at tip. Long, tapering, protrusible snout. Chin barbel long with a very long terminal bulb; 7.6-9.3% SL. Barbel with slender stem and an elongated terminal bulb with minute terminal filament. Bulb is 4.3-7% SL and 6 times longer than it is wide. Deep ventral groove absent. Pectoral fins free. Preorbital and suborbital luminous organs absent (Ref. 37039).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 12 October 2018 Ref. (130435)
Threat to humans:  harmless


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