(Linnaeus, 1758)
Carapace glabrous, with transverse granular lines on protogastric and mesogastric regions, epibranchial line interrupted at the cervical groove and in its middle; front with 6 subequal triangular distally rounded teeth; antero-lateral borders with 6 teeth, first truncate and with a concavity at its lateral border, last one hardly more prominent than preceeding teeth; postero-lateral junctions rounded. Antennal flagellum not excluded from orbit only in young specimens, in adults excluded. Cheliped merus with 3 spines on anterior border, posterior border smooth; carpus with a strong internal spine, outer border with 3 spinules; palm with 2-3 spines on upper border. Merus of swimming leg with a posterior subdistal spine; propodus without spines on posterior border in adult specimens. (Türkay 1995)
Antennal flagellum excluded from orbital hiatus; posterior border of cephalothorax curved, forming curved postero-lateral junction; 6 antero-lateral teeth, first antero-lateral tooth truncate; no distinct cardiac ridges on carapace; anterior border of arm of cheliped with 3 or more spines; 4 spines on hand of cheliped; hand of cheliped somewhat swollen; carapace with conspicuous longitudinal light mark (or cross) extending over three-quarters of its length. (Davie 1999)
Type locality: Ambon, Indonesia.
Range: Somalia - Zeilah (Apel & Spiridonov, 1998); Mozambique - Delagoa Bay (Barnard, 1950), Inhaca Island and off East African Coast (Apel & Spiridonov, 1998); South Africa - Port Alfred (Stebbing), Durban (Barnard, 1950), Kleinmond (Apel & Spiridonov, 1998); Madagascar (Crosnier, 1962); Persian Gulf - United Arab Emirates (Apel & Spiridonov, 1998); Strait of Hormuz (Stephensen, 1945, Apel & Spiridonov, 1998); Gulf of Oman (Stephensen, 1945, Apel & Spiridonov, 1998); Pakistan - Mekran coast (Stephenson, 1972a, Apel & Spiridonov, 1998); India - (Alcock, 1899a), off River Hooghly (Chopra, 1935), Bombay and Gulf of Kutch (Chhapgar, 1957), Mangalore and Madras (Apel & Spiridonov, 1998); Sri Lanka (Apel & Spiridonov, 1998); Burma - Maungmagan, near Tavoy (Chopra & Das, 1937); West Malay Peninsula - Thailand (Stephenson, 1972a), Penang (Apel & Spiridonov, 1998); Japan - Misaki, Nanki Shirahama, Kagawa Prefecture and Nagasaki (Sakai, 1939), Sagami Bay, off Mikawa and Kii Province (Sakai, 1965b), Nagasaki (Stephenson, 1972a), Sagami Bay, Mikawa Bay, Kii Nagashima, Kii Minabe, and Tosa Bay (Sakai, 1976a), Sakata, Yamagata Prefecture (Suzuki S., 1979), off Kochi (Miyake, 1983); China - Santuao, Fuzhou, Tsimei, Liuwutien, and Xiamen (Shen, 1940b), Namoa (Stephenson, 1972a), Guangxi, Guangdong, and Fujian (Dai & Yang, 1991); East China Sea - off Chi-lung, Taiwan (Takeda & Miyake, 1969d); Taiwan - (Balss, 1922c), Chi-lung (Sakai, 1939, Lin, 1949), Yüan-lin Province, Kaohsiung Province, and I-lan Province (Huang & Yu, 1997); Hong Kong (Miers, 1886, Stimpson, 1907, Shen, 1932); Vietnam; Gulf of Thailand (Rathbun, 1910a, Kemp, 1918); Malay Peninsula - Terengganu (Lanchester, 1902); Singapore (Dana, 1852, Nobili, 1903c, Shen, 1937); Philippines - Cebu (Stephenson, 1972a), Manila Bay (Moosa, 1981); Indonesia - Ambon (de Man, 1888d), Makassar (Rathbun, 1910b), Deli, Soerabaya, Djangkar, Billiton, Java Sea, Bali Sea, and Makassar Strait (Leene, 1938), off Semarang, Java (Stephenson, 1975); Australia - Exmouth Gulf and Fremantle, W.A., Sir Edward Pellew Group, N.T., Townsville, Queensland to Botany Bay, N.S.W., South Beach, Victoria (Stephenson et al., 1957), Moreton Bay (Campbell & Stephenson, 1970, Apel & Spiridonov, 1998); 5-30 m.