Limpets climbing on top of each other (IMAGE) Bielefeld University Caption When reproducing, limpets climb on top of each other so that eggs and sperm are in close proximity when they are released into the water. Credit Photo: British Antarctic Survey Usage Restrictions This image may only be used with appropriate caption and credit. 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.