I'm not a shrimp! I'm one bad ass mo'fo!!! http://www.usatoday.com/tech/columnist/aprilholladay/2006-01-09-shrimp_x.htm The Mantis Shrimp can swing it's claw at 50mph and shatter the glass in aquariums. I can imagine the bruise of one of these decided to take a swing at you.