Acanthochaetodon imperator (Bloch, 1787)
Acanthochaetodon nicobariensis (Bloch & Schneider, 1801)
Chaetodon imperator Bloch, 1787
Chaetodon nicobariensis Bloch & Schneider, 1801
Holacanthus bishopi Seale, 1901
Holacanthus geometricus Lacepède, 1802
Holacanthus imperator (Bloch, 1787)
Holacanthus marianas Seale, 1901
Holacanthus nicobariensis (Bloch & Schneider, 1801)
Pomacanthodes imperator (Bloch, 1787)
Pomacanthodes nicobariensis Schn., 1801
Pomacanthus imperatur (Bloch, 1787)
Pomacanthus nicobariensis (Bloch & Schneider, 1801)