Mediterranean's Elixir of Life (IMAGE) University of Malta Caption Prickly pear trees and the brown seaweed, commonly known as Peacocks tail, are a common sight in the Mediterranean. Credit Stephanie Ghio 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.