The last 'caimans' living in Spain (IMAGE) Spanish Foundation for Science and Technology Caption Diplocynodon ratelii, which is very similar in appearance to today's caimans, stalked small prey, such as rodents and other extinct fish. Credit José Antonio Peñas (SINC) 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.