A Clam is an enemy that appears in Super Mario Galaxy and Super Mario Galaxy 2. They are giant clams that open their mouths for a few seconds then close it, and repeat the process. If Mario or Luigi is trapped inside when they close their mouths will lose one wedge of health from their Health Meter. In Super Mario Galaxy, they only appear in the Beach Bowl Galaxy and they contain treasures in them such as Star Chips and Coins. In Super Mario Galaxy 2, one Clam appears in the Starshine Beach Galaxy.