The Siboga snake eel (Bascanichthys sibogae) is an eel in the family Ophichthidae (worm/snake eels). It was described by Max Carl Wilhelm Weber in 1913, originally under the genus Callechelys. It is a marine, tropical eel which is known from Timor, Indonesia, in the western central Pacific Ocean. Males can reach a maximum total length of 23.7 centimetres (9.3 in).