Scientists operating Doc Ricketts (IMAGE) University of California - San Diego Caption Researchers from Scripps Oceanography and MBARI used the remote operated vehicle (ROV) Doc Ricketts to study the effects of environmental factors like oxygen concentration and temperature on fish community composition as a proxy for climate change. Credit Photo provided by Natalya Gallo Usage Restrictions Photo may only be used in conjunction with press about this research study 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.