A New Nudibranch from the Philippines (IMAGE) California Academy of Sciences Caption Meet Phyllodesmium undulatum -- a brightly colored, poison-loving sea slug. Credit The California Academy of Sciences 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.