Blacktail moray eel is a genus of Gymnothorax in the Muraenidae (a family of eels divided into approximately 200 species in 15 genera), within the Anguilliformes order, and under Actinopterygii class.
The blacktail moray eel (Gymnothorax kolpos) is a moray eel found in the western Atlantic Ocean. Genus: Gymnothorax 
