Fish Gets to Taste What Is Tasting It (IMAGE) U.S. Geological Survey Caption This cymothoid isopod (Nerocila californica) chews on the tongue of its mullet host (Mugil cephalus). Credit Kevin Lafferty/USGS 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.