Robotic fish (IMAGE) Cell Press Caption The robotic fish (left) that mimics the natural predator of mosquitofish (right) induces fear that leads to behavioral, morphological, and reproductive changes in the fish. Credit Giovanni Polverino Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.