This species of the Scolecenchelys gymnota species group is distinguished by the following set of characters: head 8.4-10 % TL; tail 51-54 % TL; trunk 34-38 % TL; infraorbital pores 2 at the postorbital area; absence of median ventral groove on the snout; acute snout; rictus of mouth is slightly posterior to a vertical through the posterior margin of the eye; uniserial teeth on jaws and vomer; horizontal distance between dorsal-fin origin and a vertical through mid-anus 3.4-57 % HL; predorsal vertebrae 54-59, preanal 53-56, total vertebrae 122-129; MVF 57-55-126 (Ref. 104540).