Nettastoma falcinaris is an eel in the family Nettastomatidae (duckbill/witch eels).[1] It was described by Nikolai Vasilyevich Parin and Emma Stanislavovna Karmovskaya in 1985.[2] It is a marine, deep water-dwelling eel which is known from Chile, in the southeastern Pacific Ocean. It is known to dwell at a depth range of 1070mto1100mm (3,510feetto3,600feetm).[1] It is deemed harmless to humans.