Cichlid in Lab (IMAGE) Georgia Institute of Technology Caption This particular cichlid in an aquarium at Georgia Tech is a hybrid cross of two species, one that makes pits and one that makes castles. The two behaviors combined in one animal allows researchers to connect gene regulation with either specific behavior. Credit Georgia Tech / Rob Felt 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.