The earthworm snake-eel Yirrkala lumbricoides (Bleeker, 1864), (previously Yirrkala timorensis) is an eel in the family Ophichthidae (worm/snake eels). It is a tropical, marine eel which is known from the Indo-Pacific. It is known to dwell at a depth of 20 metres. Males can reach a total length of 44 centimetres.