Hoards of Horseshoe Crabs (IMAGE) University of Gothenburg Caption These are horseshoe crabs stranded in Port Mahon, Delaware Bay, Del. Rocks placed along the beach to protect the coast are preventing the crabs from returning to their playgrounds. Credit Photograph: Peter Funch. 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.