Marine and estuarine crabs of Digha coast Author Srivastava, O. P. text Records of the Zoological Survey of India 2017 2017-08-01 117 1 49 72 http://dx.doi.org/10.26515/rzsi/v117/i1/2017/117284 journal article 10.26515/rzsi/v117/i1/2017/117284 2581-8686 26. Charybdis (Charybdis) natator (Herbst, 1794) 1794. Cancer natator Herbst, Versuch. Naturgesch. Krabben Krebse , 2 (5): 156, pl. 40, Figure I. 1899. Charybdis (Goniosoma) natator Alcock, J. Asiat. Soc. Bengal , 68 (2): 61. 1976. Charybdis (Charybdis) natator Sakai, Crabs of Japan and the Adjacent Seas : 360. Material examined: 1ex. Udaipore, 10.x.2014 , Coll: O.P.S. Reg.no.A-4336. Diagnosis : Front with six dentation cut, bluntly rounded. First anterolateral tooth truncated whereas last oneis reduced. Chelipeds having transverse squamiform tubercles, more prominent on palm.Sixth male abdominal segment as long as broad. Distribution : India : Andhra Pradesh (East Godavari, Krishna, Visakhapatnam), Gujarat (Okha), Kerala (Trivandrum), Puducherry , Tamil Nadu (Gulf of Mannar, Chennai, Palk Bay, Parangipettai coast and West Bengal (Udaipore). Elsewhere: Australia , Southern coast of China , Hong Kong , Japan , Madagascar , Malay Archipelago, Philippines , Red Sea, Singapore ,, South Africa , Sri Lanka and Taiwan