There are currently three recognized species in this genus:Tuamotuichthys bispinosusMøller, Schwarzhans & J. G. Nielsen, 2004Tuamotuichthys marshallensis J. G. Nielsen, Schwarzhans, Møller & J. E. Randall, 2006Tuamotuichthys schwarzhansi J. G. Nielsen & Møller, 2008