Diatoms (IMAGE) Rutgers University Caption The diatoms in this image are members of the CRASH lineage that have stolen many genes from bacteria. CRASH species have become dominant phytoplankton in both marine and freshwater environments. Credit Julia Van Etten 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.