(IMAGE) BMC (BioMed Central) Caption A slug <I>Arion</I> spec. commonly found in northern Germany, now known to be used by hitch-hiking nematodes for transportation. Credit Carola Petersen, Hinrich Schulenburg, Kiel University 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.