Algal Crusts Spreading in the US Virgin Islands (image) Carnegie Institution for Science Share Print E-Mail Caption Peyssonnelid algal crusts spreading over a dead skeleton of Acropora palmata in shallow water in Great Lameshur Bay in St. John, U.S. Virgin Islands. Credit Image courtesy of Peter Edmunds. Usage Restrictions With credit Share Print E-Mail 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.