Michael Tobler, Kansas State University (IMAGE) Washington State University Caption Kansas State University biologist Michael Tobler seines for Atlantic mollies, fish who can turn on certain genes to survive life in acidic waters. Credit Joanna Kelley photo 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.