Don't Move a Mussel (image) Cary Institute of Ecosystem Studies Caption This sign at a Lake Mead boat launch is part of a Nevada campaign to prevent boaters from unintentionally spreading freshwater biofoulers. Similar efforts have been launched in other states. Credit Photo by J.N. Stuart Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.