Severine Navarro, James Cook University (IMAGE) James Cook University Caption This is the lead author Dr Severine Navarro. Credit Pic supplied by JCU, no credit needed. Usage Restrictions Permission granted for use in relation to this story only. 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.