Eustomias satterleei Beebe, 1933
Twinray dragonfish

Family:  Stomiidae (Barbeled dragonfishes), subfamily: Melanostomiinae
Max. size:  14.9 cm SL (male/unsexed); 17.7 cm SL (female)
Environment:  bathypelagic; marine; depth range - 1828 m
Distribution:  Atlantic, Indian and Pacific: 40-20°N and 80-30°W in the North Atlantic; near 20°S and 30°W in the South Atlantic; near Hawaii and scattered locations in the western and southern Pacific; two stations in the southern Indian Ocean.
Diagnosis:  Barbel with three branches arising from stem; medial branch shorter than lateral branches but all similar in structure; external pigment present on barbel stem and dorsal surface of terminal bulb except for unpigmented tip; distal boundary of pigment irregular and forked dorsally; terminal bulb with a single or a single-based group of three to six terminal filaments near distal tip.
Biology:  Meso- (Ref. 7300, 75154) and bathypelagic to 1829 m (Ref. 58302).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 July 2014 Ref. (130435)
Threat to humans:  harmless


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