This Research had done on April 2017 in Bagan Asahan Pekan village Tanjung Balai Subdistrict Asahan Regency South Sumatera Province. The method of this research is survey method. This research aims to observed change of social economics livelihood’s fishermen after descent of mollusks production in Bagan Asahan Pekan Village. Collecting data had done with observation technique, quisioner and …