African clawed frogs (IMAGE) Institute of Science and Technology Austria Caption Xenopus laevis. African clawed frogs are bred in the Aquatics Facility at ISTA’s Scientific Service Units. Credit © Peter Rigaud / ISTA Usage Restrictions Free to use when reporting about ISTA 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.