Synaphobranchus dolichorhynchus is an eel in the family Synaphobranchidae (cutthroat eels).

[2] It was described by Einar Hagbart Martin Lea in 1913, originally under the genus Leptocephalus.

[3] It is a marine, subtropical eel which is known solely from larval specimens discovered in the northern Atlantic Ocean.

It is known to dwell at a depth range of 100 to 150 metres (330 to 490 ft).

This Anguilliformes article is a stub.