Nettenchelys inion

Nettenchelys inion is an eel in the family Nettastomatidae. It was described by David G. Smith and James Erwin Böhlke in 1981. It is a marine, deep water-dwelling eel which is known from a single specimen discovered near North Bimini Marine Protected Area in 1964. It is known to dwell at a depth range of. Males can reach a total length of.
The species epithet "inion" means "back of head" in Greek, and is treated as a noun in apposition. It refers to the location of the posterior nostril.