Gavialiceps bertelseni
Gavialiceps bertelseni is an eel in the family Muraenesocidae. It was described by Emma Stanislavovna Karmovskaya in 1993. It is a marine, deep water-dwelling eel which is known from the southwestern slope of Madagascar, in the western Indian Ocean. It dwells at a depth range of. Males can reach a maximum total length of.
The species epithet was given in memory of ichthyologist Erik Bertelsen.