Resolution of the Portunus gladiator species complex: taxonomic status and identity of Monomia gladiator (Fabricius, 1798) and Monomia haanii (Stimpson, 1858) (Brachyura, Decapoda, Portunidae)

Left G1, sternal view (except D and E). A–D Monomia gladiator (Fabricius, 1798): A) ZRC 2018.1189, Jeppiar, Tamil Nadu, India B ZRC 2016.0034, Tanintharyi coast, Myanmar C ZRC 2016.0145, Pazhayar, Tamil Nadu, India D ZRC 2000.0842, Phuket, Thailand (flipped right G1). E–H Monomia haanii (Stimpson, 1858) E WAM-C7506, holotype of Portunus pseudoargentatus Stephenson, 1961, Abrolhos Is., Western Australia (flipped right G1) F ZRC 1999.0084, Boso Peninsula, Japan G ZRC 2016.0408, smaller male, Daxi Fishery Port, Taiwan H ZRC 2016.0408, larger male, Daxi Fishery Port, Taiwan. Scale bar: 3 mm.