Gavialiceps bertelseni is an eel in the family Muraenesocidae (pike congers).Gavialiceps bertelseni at www.fishbase.org. It was described by Emma Stanislavovna Karmovskaya in 1993.Karmovskaya, E. S., 1993 [ref. 22018] Systematics and distribution of the eel genus Gavialiceps (Congridae) in the Indo-West Pacific. Voprosy Ikhtiologii v. 33 (no. 6): 742-752. 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.
Names In Hindi the word ''Gavialiceps'' is translated as gavial and Bertelseni is named in memory of Erik Bertelsen.
Description Color is dark-black. Dorsal and anal fin are dark in the caudal sections of the body. The gill and mouth cavities are dark but does not show through the skin.
Distribution This species of eel is found in Western Indian Ocean in south-western Madagascar.
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