Cascades Frog Swims (IMAGE) University of Washington Caption Cascades frogs, found only at high elevations in three states, will face a hard future where trout dominate high mountain lakes and climate change dries up many of the shallower waterways such amphibians have been using. Credit M Ryan/U of Washington Usage Restrictions Credit required 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.