Promyllantor atlanticus is an eel in the family Congridae (conger/garden eels).[1] It was described by Emma Stanislavovna Karmovskaya in 2006.[2] It is a marine, deep water-dwelling eel which is known from the Republic of Congo, in the southeastern Atlantic Ocean (from which its species epithet is derived). It is known to dwell at a depth of 495m (1,624feet). Males can reach a maximum total length of 51.8cm (20.4inches), while females can reach a maximum TL of 48.5cm (19.1inches).[1]