Tritonia nudibranch (image) University of California - Davis Share Print E-Mail 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 https://creativecommons.org/licenses/by/4.0/legalcode Share Print E-Mail 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.