Seafloor Methane (IMAGE) University of California - Santa Barbara Caption Taken using the autonomous underwater vehicle Sentry, this image shows that the seafloor at the methane seep site investigated is partially covered in white microbial mats. Credit David Valentine, UCSB and Oscar Pizzaro, University of Sydney 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.