The Continuous Plankton Recorder (CPR) (IMAGE) University of Plymouth Caption The Continuous Plankton Recorder (CPR) is fitted with silk meshes and towed in surface waters similar to the spaces occupied by marine mammals Credit Marine Biological Association Usage Restrictions None License Original 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.