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The following is a description of the holotype, the only known specimen, from Gibbs et al. (1983). Female, 161.0 mm SL. D 26. A 40. PI 3. P2 7. IP 7. PV 31. VAV 18. OV 32. VAL 20. AC 18. IA 56. IC 74. OA 52. OC 70. VAV photophores over anal–fin base 7. Branchiostegal photophores 11.
Premaxillary teeth 15 left and right: from anterior to posterior, a long fixed tooth followed by a wide space, a fixed fang followed by a wide space, a short-to-long series of 1 fixed and 2 depressible teeth (all depressible right), a short-to-long series of 1 fixed and 3 depressible teeth, a snort–to–long series of 3 depressible teeth, 3 short depressible teeth. Maxilla with about 3 short erect teeth and 19 slanted, serra-like teeth. Left mandible damaged. Right mandibular teeth 19: from anterior to posterior, broken symphysial tooth followed by a moderate space, a fixed fang followed by a wide space, a long depressible tooth, 2 short depressible teeth, a long depressible tooth, a short-to-long series of 2 fixed and 2 depressible teeth, a short-to-long series of 5 depressible teeth, 2 short to long series of 4 depressible teeth, 2 short depressible teeth. Vertebrae 67.
Axis of barbel stem densely peppered with melanophores up to proximal bulb; a few melanophores on axis between bulbs; axis of terminal filament moderately darkly pigmented until about base of 3rd branch, becoming lighter distally. External chevron–shaped or roundish striated areas of stem unpigmented. Proximal bulb spheroidal; distal bulb ovoid, somewhat smaller anteriorly. Distance between bulbs short, less than length of distal bulb. Terminal filament almost 20% SL, with 5 well-separated, long side branches, the 1st arising about 1 distal-bulb length from bulb, the 5th at about half filament length; each branch and main filament bearing 1 or more short side branches. Small bulblets present in all filament branches, most much smaller than filament diameter and none causing external swellings. No color observations recorded.