Check this out. Its pretty crazy. A lady in florida was touring and was riding a boat when a sting ray jumped out of the water and struck her face. It killed her! How sad!
http://www.usatoday.com/news/nation/2008-03-20-stingray-death_N.htm
http://www.usatoday.com/news/nation/2008-03-20-stingray-death_N.htm