Sea Floor of the Guaymas Basin (IMAGE) University of Texas at Austin Caption Researchers have documented extensive diversity in the microbial communities living in the extremely hot, deep-sea sediments located in the Guaymas Basin in the Gulf of California. This view of the Guaymas Basin seafloor was taken through the window of the Alvin submersible by Brett Baker in November 2018. Credit Brett Baker/University of Texas at Austin. 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.