Image 2 (IMAGE) Florida Museum of Natural History Caption Many Garra species have faces and snouts encrusted with barbed nodules called tubercles, which may be used to attract mates or to fend off adversaries. Credit Image by Tangjitjaroen et al. (2023), CC-BY Usage Restrictions Credit must be given to the creator. License CC BY 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.