Powell, CAquaculture Magazine2010-02-152010-02-15May-Jun. 2http://hdl.handle.net/1969.3/18532pg. 16On a warm morning in mid-November in his laboratory at Texas A&M University at Galveston, Dr. Sammy Ray is opening an oyster, one of the last five out a group of 80 from Lower Galveston Bay that he has shucked since the previous morning to test for Dermo disease.diseasesmarines molluscsoytersArticle