“…The present study expands the geographic distribution of P. convexus in the Arabian Sea and Indian Ocean. Recently, many brachyuran crab species (i.e., Atergatis ocyroe (Herbst, 1901) (Tirmizi and Ghani 1996); Cryptopodia angulata H. Milne Edwards & Lucas, 1841 (Tirmizi and Kazmi 1983); Dentoxanthus iranicus Stephensen, 1945(Tirmizi and Serène 1971, Tirmizi and Kazmi 1982; Macrophthalmus (Mareotis) laevis A. Milne-Edwards, 1867 (Tirmizi and Ghani 1988); Opusia indica (Alcock, 1900) (Alcock 1900, Ng et al 2009)), which are common along the Pakistan coast, have been recorded for the first time from northwestern coastal India , Trivedi et al 2014, Trivedi and Vachhrajani 2016, Trivedi et al 2017.…”