Image of Snail Host (IMAGE) PLOS Caption This is a fresh-water snail that can serve as host for schistosome parasites. Credit Susanne Sokolow. Usage Restrictions CC BY 2.0 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.