Reducing marine megafauna bycatch (VIDEO) University of Barcelona This video is under embargo. Please login to access this video. Caption Bycatch can account for up to 40% of total fishing catches, globally reaching as much as 38 million tonnes discarded per year. Credit Carlos Pereira (IIM-CSIC) Usage Restrictions Credit must be given to the creator. License CC BY 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.