The Fringe-lipped worm-eel[2] (Schultzidia retropinnis) is an eel in the family Ophichthidae (worm/snake eels).

[3] It was described by Henry Weed Fowler in 1934.

[4] It is a marine, tropical eel which is known from the western central Pacific Ocean, including Taratara Island, Samar Island, the Philippines, the Marshall Islands, Micronesia and Solomon Island.

It dwells at a maximum depth of 48 metres (157 ft), and inhabits benthic sand sediments in coral reefs.

Males can reach a maximum total length of 11.5 centimetres (4.5 in).