Glyptothorax ater is a species of catfish that was first described by Anganthoibi and Vishwanath in 2011. Glyptothorax ater is a species in genus Glyptothorax, family Sisoridae and order Siluriformes. No subspecies are listed in Catalogue of Life.
The species is found in the Kaladan River basin in Mizoram State, India.