Related Program: NatureNotes A Cannibal Snail By Rudy Mancke • Sep 24, 2018 Related Program: NatureNotes TweetShareGoogle+Email Rosy Wolf Snail. Melody McClure [CC BY-NC 2.0] via Flickr The Rosy Wolf Snail, or Cannibal Snail, has an enlongated shell. As the name implies, it preys on other snails. Listen Listening... / 1:00 Listen... NatureNotes is a production of South Carolina Public Radio. Tags: NatureNatureNotesscetv.orgSCETV AppTweetShareGoogle+EmailView the discussion thread.