Image 1 (IMAGE) Florida Museum of Natural History Caption Researchers carefully restrained the sawfish in order to apply a tagging device to track its movements. Credit Derrick Biglin Usage Restrictions Credit must be given to the creator. License CC BY 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.