Cetichthys indagator is a species of flabby whalefish in the family Cetomimidae and was first described in 1959 by Cetomimus indagator In 1989, it was transferred to the genus, Cetichthys by John R. Paxton.
This pelagic fish has been found at depths of 1500 - 3620 m in the Atlantic, the Indian and Pacific oceans at latitudes of 30 to 40 degrees south.