Meadia abyssalis, the abyssal cutthroat eel,[1] is an eel in the family Synaphobranchidae (cutthroat eels).[2] It was described by Toshiji Kamohara in 1938.[3] It is a marine, deep water-dwelling eel which is known from the Indo-Pacific, including Brazil, the Hancock Seamount, the Hawaiian and Society islands, Japan, Mauritius, and Réunion. It is found off the continental slope, and dwells at a depth range of 100–329 metres. Males can reach a maximum total length of 73 centimetres.[2]