Sponge Specimens (IMAGE) Cell Press Caption Pictured here are the sponges <i>Crambe crambe</i> and <i>Phorbas tenacior</i>. Credit A. Riesgo Usage Restrictions Credit Required. 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.