Roundtail Chub (IMAGE) Society for Experimental Biology Caption Roundtail chub, Gila elegans, in the Gibb Laboratory at Northern Arizona University. Credit Alice Gibb, Northern Arizona University 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.