“…The portunoid crab genus Catoptrus A. Milne-Edwards, 1870, currently contains seven species: C. nitidus A. Milne-Edwards, 1870 (type species; type locality, Samoa); C. inaequalis (Rathbun, 1906) (type locality, Molokai Island, Hawaiian Islands); C. rathbunae Serène, 1966 (type locality, Nhatrang, Vietnam); C. quinquedentatus Yang, Chen & Tang, 2006 (type locality, Hainan Island, China); C. undulatipes Yang, Chen & Tang, 2006 (type locality, Xisha Island, South China Sea); C. marigondonensis Takeda, 2010 (type locality, Marigondon Cave, Mactan Island, Philippines); and C. iejima Fujita & Naruse, 2011 (type locality, Ie Island, Ryukyu Islands, Japan) (A. Milne-Edwards, 1870;Rathbun, 1906;Serène, 1966;Yang et al, 2006;Ng et al, 2008;Takeda, 2010;Fujita & Naruse, 2011).…”