Seasonal Variation of Bivalves of Intertidal Mangrove Area of Shirgaon, Ratnagiri, Maharashtra

A study has been made during February 2012 to January 2013 to know the pattern of bivalve fauna in the mangrove area of Shirgaon. During the present study, nine of bivalve, viz. Anadora granosa, Brachiodontes striatulus, Dosinia sp., Meretrix meretrix, Saccostrea cucculata, Lucina sp., Tellina palatam, Trapezium sublivigatum and Polymesoda expansa were recorded. The bivalves, Brachiodontes striatulus and Saccostrea cucculata were recorded throughout the year. The species such as, Lucina sp., Dosinia sp., P. expansa and T. sublivigatum have shown inconsistence occurrence during the study period while M. meretrix, A. granosa and T. palatam were recorded only once during September, June and May respectively.