Studying the Deep Ocean (IMAGE) Spanish National Research Council (CSIC) Caption This is a CTD oceanography instrument used by researchers from the Malaspina Expedition. Credit CSIC / JOAN COSTA 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.