FIGURE 5. a in Grapsoid crabs (Decapoda: Brachyura: Thoracotremata) of the Persian Gulf and the Gulf of Oman

FIGURE 5. a, Grapsus albolineatus Latreille in Milbert, 1812, male (ZUTC Brach1175, CL = 51.00 mm, CB = 54.6 mm); b, the same species in his habitat in Ramin, Baluchestan, Gulf of Oman (photograph by R. Naderloo); c, Grapsus granulosus H. Milne Edwards, 1853, male (ZUTC Brach1183, CL = 51.00 mm, CB = 54.6 mm); d, the same specimen, ventral surface; e, Metopograpsus messor (Forskål, 1775), male (SMF 38455, CL = 23.06 mm, CB = 28.60 mm); f, Metopograpsus thukuhar (Owen, 1839), male (SMF 38444, CL = 23.7 mm, CB = 28.3 mm).