Making use of biochemical assays, 74 S. aureus were isolated and grouped into four categories based on sea food sample origins, which were aqua products (fresh marine shrimp ,frozen marine shrimp, fresh farm shrimp, frozen farm shrimp; n ~300) As shown in Table1, a total of 74 (24.6%) out of 300 shrimp samples were found to be contaminated with staphylococcus aureus