Field Work in Honduras (IMAGE) Louisiana State University Caption LSU Associate Professor Prosanta Chakrabarty (right) and graduate student Caleb McMahan process fish samples for DNA extraction in Honduras. Credit Courtesy of Prosanta Chakrabarty, LSU Usage Restrictions Run photo credit: Prosanta Chakrabarty, LSU 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.