Eelgrass Rings (image) University of Southern Denmark Caption This shows eelgrass rings growing in shallow water off the cliffs of island Mon in Denmark. Credit Jacob T. Johansen, journalist Usage Restrictions Must be credited with full credit: Jacob T. Johansen, journalist. 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.