2 Snails Facing Off (IMAGE) University of Iowa Caption The snail species Potamopyrgus antipodarum is native to New Zealand, but has established itself in many other locations. Credit Photo by Bart Zjilstra. Usage Restrictions None 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.