Leptoderma ospesca Angulo, Baldwin & Robertson, 2016
Eastern eel-slickhead

Family:  Alepocephalidae (Slickheads)
Max. size:  19.7 cm SL (male/unsexed)
Environment:  bathypelagic; marine; depth range 1368 - 1406 m
Distribution:  Eastern Pacific Ocean: El Salvador.
Diagnosis:  Dorsal soft rays (total): 33-33; Anal soft rays: 48-48; Vertebrae: 60-60. This speciesi differs from L. affinis, L. macrops, L. retropinna by having a distinct gap between the posterior ends of the dorsal and anal fins and the origins of the upper and lower procurrent caudal-fin rays; differs from L. lubricum by lacking dermal papillae along the lateral line, by having pectoral fins low on body (vs. high) with 6 fin rays (vs. 7-8), and having fewer caudal-fin rays 16 (vs. 17-18); differs L. macrophthalmum by having a longer pre-dorsal length 54.9% SL (vs. 49.3%), fewer pectoral-fin rays 6 (vs. 8), fewer pelvic-fin rays 5 (vs. 8) and longer dorsal- and anal-fin rays (vs. shorter); differs from its congeners by having fewer pre-ural vertebrae 60 (vs. 64-84) (Ref. 113803).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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