The Dark throat worm eel, (Scolecenchelys fuscogularis), is an eel in the family Ophichthidae (worm/snake eels). It was described by Yusuke Hibino, Yoshiaki Kai, and Seishi Kimura in 2013. It is a marine, temperate water-dwelling eel which is known from Japan, in the northwestern Pacific Ocean. It dwells at a depth range of 90-147 metres. Males can reach a maximum total length of 26.5 centimetres. The species epithet "fuscogularis" means "dark throat" in Latin, and refers to the dark branchial basket of the eel.