Common European Shore Crab (IMAGE) Swansea University Caption This species has been shown to be a bearer of a parasite that threatens shellfish stocks, new research from Swansea University has shown. Credit BlueFish Project, Swansea 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.