Eustomias medusa Gibbs, Clarke & Gomon, 1983
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 Family:  Stomiidae (Barbeled dragonfishes), subfamily: Melanostomiinae
 Max. size:  15 cm SL (male/unsexed); 15.2 cm SL (female)
 Environment:  bathypelagic; depth range 0 - 710 m
 Distribution:  North Pacific.
 Diagnosis:  Dorsal soft rays (total): 24-24; Anal soft rays: 38-38; Vertebrae: 68-68. Two terminal bulbs separated by an interspace, 1.4-3.6 times the length of distal bulb. Barbel length mostly 36-65% SL. Terminal filaments 7-10, arising together from distal bulb or from a short stem; all prominent bulblets of various sizes and with side branches distally; 1 filament a little thicker than others and usually forked. Pigment in filament axes variably present or absent. Distal bulb small, ovoid, usually with an abruptly narrowed distal end, 1.5- 3 times proximal-bulb length, which is very small. Axis of stem and between bulbs usually pigmented, variably light or dark, sometimes unpigmented. A black spot almost always present at proximal end of distal bulb; usually partially capping base of bulb. External chevron-shaped or roundish striated areas on stem pigmented or not. Middorsal paired spots between occiput and dorsal-fin origin 8, sometimes 7 (Ref. 11333).
 Biology:  Mesopelagic (Ref. 58302).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Capuli, Estelita Emily - 30.09.02
 Modified by: OrtaƱez, Auda Kareen - 15.06.07

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