Photographing Fish (IMAGE) Smithsonian Tropical Research Institute Caption Diana Sharpe and Panamanian intern Celestino Martinez are photographing fish at the Smithsonian's field station on Barro Colorado Island in Panama. Credit Diana Sharpe Usage Restrictions Credit Diana Sharpe 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.