... Age, Growth, and Reproductive Biology of Cownose Rays in Chesapeake Bay Robert A Fisher* Virginia Institute of Marine Science, College of William and Mary, Post Of ce Box 1346, Gloucester Point, ... multimillion dollar industry in the Chesapeake Bay region Since 2005, plantings of eastern oysters in the Virginia portion of Chesapeake Bay have increased nearly tenfold In 2011, plantings of eastern ... and growth for Cownose Rays: one study in Chesapeake Bay, and the other in the Gulf of Mexico (Table 5) Smith and Merriner (1987) provided the first age and growth estimates for Cownose Rays in...