<i>Tritonia nudibranch</i> (IMAGE) University of California - Davis Caption This Tritonia nudibranch found in the Red Sea may be chronically rare. This species is generally seen only once every few years. Credit Flickr/prilfish Usage Restrictions Provide credit CC 4.0 <a target="_blank"href="https://creativecommons.org/licenses/by/4.0/legalcode">https://creativecommons.org/licenses/by/4.0/legalcode</a> 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.