Abundance of Crenicichla frenata (IMAGE) University of Bristol Caption Abundance of Crenicichla frenata defines high predation habitats, as they are the major aquatic predator of adult guppies. Credit Andrew Szopa-Comley Usage Restrictions None 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.