Project Description MSX is a disease of the Eastern oyster (Crassostrea virginica) caused by the protozoan parasite Haplosporidium nelsoni. It has caused high mortalities and has a considerable economic impact to East Coast oyster fisheries. In 2010, an outbreak of MSX occurred in the commercial oyster operations of the Damariscotta River estuary, resulting in oyster … Continue reading Population Genetics in Natural Bed Oysters in the Damariscotta Estuary