Freshwater (IMAGE) Texas A&M AgriLife Communications Caption Researchers with the Texas A&M Institute for Renewable Natural Resources recently found this false spike freshwater mussel in the San Saba River in Central Texas. The species was thought to be extinct, but the specimen had apparently only recently died and there was still tissue inside the shell. Credit (Photo courtesy of Texas AgriLife Research) Usage Restrictions Not for resale. Use with credit. 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.