I was taking my son out to enjoy feeding the wild ducks at the lake last week when I found this very large bull snail high and dry 10 feet out of water. I figured it was dead because it had been out of water for at least 4-6 days but brought it home anyway and put it in my tank and voila! Alive and well. I believe this is called a bull snail by the large horn antennae. This snail is as big or bigger than a golf ball!