Cichlid Trackplot (image) Society for Experimental Biology Caption Trackplot shows that Cichlids spent more time in the upper zone of the tank, which they had been trained to associate with a food reward. Credit Dr. Trevor Hamilton and Erica Ingraham. Usage Restrictions None 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.