Ophichthus aniptocheilos McCosker 2010

This moderately elongate species of Ophichthus, subgenus Coecilophis is distinguished by the following characters: tail 56% and head 10% and depth at gill openings 3.5% of TL; origin of dorsal-fin above pectoral-fin tips; moderate, elongate and lanceolate pectoral fins; posterior nostril in upper lip; small head pores, SO 1+4, IO 4+2, PO 2, 6 mandibular pores; slender and pointed teeth, uniserial on vomer and mandible, biserial on maxillary; color brown dorsally, pale ventrally, head speckled, tail dark posteroventrally median fins pale; mean vertebral formula16/59/140 (Ref. 84366).

Ophichthus aniptocheilos is an eel in the family Ophichthidae. It was described by John E. McCosker in 2010. It is a marine, deep water-dwelling eel known from Tonga, in the eastern central Pacific Ocean. It dwells at a depth range of 391 to 421 m (1,283 to 1,381 ft). Males can reach a maximum total length of 14.2 cm (5.6 in).

The species epithet aniptocheilos means "unwashed lips" in Greek, and is treated as a noun in apposition. It refers to the colouring of the face.