[3] It was first described by Yusuke Hibino, Yoshiaki Kai, and Seishi Kimura in 2013.

[4] 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.

[3] The species epithet "fuscogularis" means "dark throat" in Latin, and refers to the dark branchial basket of the eel.