French Grunt Infested with Gnathiids (IMAGE) U.S. National Science Foundation Caption This is a Caribbean fish known as the French grunt that is infested with gnathiids. Credit Elizabeth Brill 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.