Cichlid (IMAGE) BMC (BioMed Central) Caption This is an image of a cichlid fish, Perissodus elaviae. Credit Stewart and Albertson; BMC Biology Usage Restrictions Please credit Stewart and Albertson; BMC Biology 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.