Yikes! A Water Moccasin...we used to hear warnings about these snakes at a camp I went to when I was little...now I see why! Also known The Cottonmouth, aka Water Moccasin, is the only venomous aquatic snake found in North America. (http://www. projectnoah.org/spottings/12976073) "Agkistrodon piscivorus conanti" spotted by Geoffrey Palmer in Florida.