Hellbender (IMAGE) Michigan State University Caption Veterinarians from Michigan State University are helping develop conservation techniques to sample and freeze the sperm from some of the last surviving hellbender salamanders. Credit Courtesy photo 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.