Bullfrog with Saxiphilin (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption A photo illustration showing the atomic structures of saxiphilin and saxitoxin, a red tide algal bloom, and an American bullfrog (R. catesbeiana). Credit Daniel L. Minor, Jr., and Deborah Stalford/Berkeley Lab Usage Restrictions Use 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.