Eustomias tritentaculatus Koeda & Ho, 2019
Three-tentaxles dragonfish

Family:  Stomiidae (Barbeled dragonfishes), subfamily: Melanostomiinae
Max. size:  13.09 cm SL (male/unsexed)
Environment:  pelagic-oceanic; marine; depth range - 100 m
Distribution:  Northwest Pacific: Taiwan.
Diagnosis:  This species is distinguished by the following unique barbel structure: barbel moderately long, its length 65.3% SL; terminal bulb is small, its length 1.2% SL; 3 terminal filaments, one of which is thicker than the others with few pigmentations near base, all filaments simple and lacking bulblets and secondary branches; longest filament length 4.1% SL; axis of stem weakly pigmented; presence of a distinct ring-shaped black spot surrounding base of bulb; further unique meristic characters are - anal-fin rays 35; IP 7; PV 34; VAV 19; OV 31; VAL 19 (Ref. 121636).
Biology:  This species was collected from a depth shallower than 100 m, by a mid-water trawl that was targeting the Sakura-shrimp (Lucensosergia lucens) (Ref. 121636).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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