Nettenchelys exoria is an eel in the family Nettastomatidae (duckbill/witch eels). It was described by James Erwin Böhlke and David G. Smith in 1981.Smith, D. G., J. E. Böhlke and P. H. J. Castle, 1981 (20 July) [ref. 6158] A revision of the nettastomatid eel genera Nettastoma and Nettenchelys (Pisces: Anguilliformes), with descriptions of six new species.Proceedings of the Biological Society of Washington v. 94 (no. 2): 533-560. It is a marine, deep water-dwelling eel which is known from the western central Atlantic Ocean, including Florida, USA and the Bahamas. It dwells at a depth range of . Males can reach a maximum total length of .
The species epithet "exoria" is derived from the Greek word "exorios", meaning "beyond the frontier", and refers to the posterior nostrils being located at the back of the head.
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