Sea Stars (IMAGE) University of Texas at Arlington Caption Wasting disease affects nearly 20 different species and it has caused up to almost 90 percent mortality in some areas off the West Coast over the last two years. Credit Lauren Fuess/UT Arlington Usage Restrictions None License Licensed content 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.