Crown-Of-Thorn Spine Fragments Found in a Fish Feces Sample (image) Australian Institute of Marine Science Share Print E-Mail Caption Crown-of-thorn spine fragments found in a fish feces sample. Credit F.Kroon/AIMS Usage Restrictions Image may only be used with appropriate credit. 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.