Fishermen (IMAGE) Lancaster University Caption Fishing for the world's largest freshwater scaled fish, pirarucu (Arapaima gigas), in a lake beside the River Purus. Credit Daniel Tregidgo Usage Restrictions Only to be used alongside stories related to this research paper 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.