Cascades Frog Swims (IMAGE) Simon Fraser University Caption Cascades frogs in the United States could face a hard future where trout dominate their habitats, high mountain lakes, and climate change dries up many of their shallower habitats. Credit M Ryan/U of Washington 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.