White Spotted Grouper (IMAGE) Wildlife Conservation Society Caption Marine scientistshave developed a methodology to assess fish stocks that combines new data with archaeological and historical records - some dating back to the 8th Century AD. Credit Tim McClanahan/WCS Usage Restrictions None 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.