Sharks (image) University of Queensland Share Print E-Mail Caption Sharks and large marine predators have experienced significant decline, but evidence shows their stocks can also be rebuilt with the appropriate protection measures Credit Manu San Felix, National Geographic Usage Restrictions To be only used with this story. Must be credited. Share Print E-Mail 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.