The Blackedge conger (Bathycongrus retrotinctus, also known as the Randall's conger[3]) is an eel in the family Congridae (conger/garden eels).

[4] It was described by David Starr Jordan and John Otterbein Snyder in 1901, originally under the genus Leptocephalus.

[5] It is a marine, deep water-dwelling eel which is known from Japan to the Philippines, in the western Pacific Ocean.

It dwells at a depth range of 150–450 metres (490–1,480 ft).

Males can reach a maximum total length of 54 centimetres (1 ft 9 in).