Related Program: NatureNotes Sea Hares? By Rudy Mancke • May 3, 2017 Related Program: NatureNotes TweetShareGoogle+Email A Black Sea Hare. PedroPVZ,[CC BY-SA 3.0] via Wikimedia Commons Sea "Hares" are actually mollusks that have no shell. Listen Listening... / 1:00 NatureNotes is a production of South Carolina Public Radio. Tags: NatureNatureNotesSCETV AppTweetShareGoogle+EmailView the discussion thread.