Two specimens (189.7-210.3 mm in standard length: SL) of Epigonus angustifrons Abramov & Manilo, 1987 and two specimens (120.2-138.6 mm SL) of E. denticulatus Dieuzeide, 1950 (Epigonidae) were collected from the St. Paul Seamount, central South Indian Ocean. Also, a single specimen (131.0 mm SL) of E. exodon Okamoto & Motomura, 2012 was collected off Mayotte, Comoros Archipelago, western South Indian Ocean. These specimens represent the first records of the three species from the two mentioned areas. The present specimen of E. exodon is the third specimen collected since the original description and new morphological data for the species based on this additional specimen are provided.