Blind Cavefish Cupula (IMAGE) Georgia Institute of Technology Research News Caption This optical micrograph of a blind cave fish's body shows a row of stained cupula. The fish use these gel-covered hairs to detect obstacles, avoid predators and localize prey. Credit Image courtesy of Michael McConney 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.