[3] It was described by James Erwin Böhlke and David G. Smith in 1981.

[4] 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 277 to 494 meters (909 to 1,621 ft).

Males can reach a maximum total length of 46.7 centimeters (18.4 in).

[3] 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.