School of adult giant trevally ©Ryan Daly (IMAGE) Save Our Seas Foundation Caption A school of adult giant trevallies aggregating on a reef in the Western Indian Ocean. To ensure healthy populations of these fish, it is important that they have adequate protections to reach sexual maturity and reproduce. Credit Photo © Ryan Daly Usage Restrictions Editorial use 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.