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 52. Uca (Austruca) Lactea (De Haan, 1835) 1835. Ocypode (Gelasimus) lacteus De Haan, In : Siebold, Fauna japan. (Crust) : 54 . pl. 15, Figure 5. 1900. Gelasimus annulipes Alcock, J. Asiat. Soc. Bengal . 69 (2): 353. 1900. Gelasimus lacteus Alcock, J. Asiat. Soc. Bengal . 69 (2): 355. 1975. Uca (Celuca) lactaea Crane, Fiddler Crabs of the World : 292. 1995. Uca (Celuca) lactaea annulipes Bairagi, Zool. Sur. India Estuarine Ecosystem Series , Part 2: Hugli Matla Estuary: 273. 2001. Uca lacteal : Dev Roy and Bhadra, Zool. Surv. India Estuarine Ecosystem Series 4 : Fauna of Godavari Estuary: 51 . Material examined: None. Based on earlier report. Diagnosis : Carapace subquadrilateral, much broader than long, regions not clearly defined. Antero-lateral borders almost straight, dorso-lateral border extended beyond the level of second pair of walking leg. Chelipeds remarkably unequal in male, equal in female; outer surface of chelipeds smooth; upper border of palm about half the length of dactylus, inner surface with an oblique tuberculate ridge; dactylus hook-like, compressed; pollex little curved upwards, truncated at tips due to the presence of an enlarged tooth. Merus of last pair of legs markedly slender. Male abdomen consisting of seven distinct segments . Distribution; India : Andaman and Nicobar Islands , Andhra Pradesh (East Godavari, Guntur, Nellore, Vizianagarum), Odisha (Chilka Lake, Gopalpur beach, Mahanadi estuary), Gujarat (Okha), Karnataka (Karwar), Kerala (Travancore), Maharashtra ( Mumbai , Kolak, Umarsadi), Puducherry , Tamil Nadu (Gulf of Mannar, Chennai, Parangipettai coast, Pichavaram, Pulicat Lake) and West Bengal (Digha coast). Elsewhere: Australia , China , East Africa, Indonesia , Japan , Mergui Archipelago, Malay Peninsula, Madagascar , Mauritius , New Caledonia , New Guinea , Pakistan , Persian Gulf, Philippines , Red Sea, Ryukyu Island, Singapore , South Africa and Thailand .