Lungfish (IMAGE) University of Zurich Caption The researchers were even able to detect acoustic communication in lungfish. (Image: Rafael C.B. Paradero) Credit Rafael C.B. Paradero Usage Restrictions none License Original 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.