Dr. Ingolf Rick and Simon Vitt, University of Bonn (image) University of Bonn Share Print E-Mail Caption Dr. Ingolf Rick (left) and Simon Vitt from the Institute for Evolutionary Biology and Ecology of the University of Bonn investigated the behavior of three-spined sticklebacks (Gasterosteus aculeatus) under the influence of UVB radiation. Credit © Photo: Timo Thünken Usage Restrictions This photo may be used with the press release. Share Print E-Mail 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.