Dana Bethea, National Oceanic and Atmospheric Agency, Southeast Fisheries Science Center, Panama City Laboratory ecologist, takes a blood sample from a juvenile bonnethead during their Gulf of Mexico Shark Pupping and Nursery Survey off the shores of Tyndall Air Force Base, Fla., April 25, 2013. (U.S. Air Force photo by Senior Airman Christopher Reel/Released)

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Photo by: Senior Airman Christopher Reel  |  VIRIN: 130425-F-HE651-417.JPG