Hofstetter, Robert P.Texas Parks & Wildlife Coastal Fisheries Project Reports 19662010-02-152010-02-151966http://hdl.handle.net/1969.3/19898pages 55-68; available for download at the link below.Mortality studies among groups of seed and market oysters (Crassostrea virginica) were conducted in Aransas, San Antonio, Matagorda, and Galveston Bays. In general, death rates were low in winter, increased in spring, dropped in early summer and rose to late summer or early fall peaks.oystersCrassostrea virginicamortalityDermocystidium marinumfungal diseasesdiseasespredationsouthern oyster drillthais haemostomaTechnical Report