An Austrian freshwater ecologist is visiting Charles Sturt University’s (CSU) School of Environmental Science and the Institute for Land, Water and Society to see how scientists are studying the survival of the young stages of fish in Australian rivers. Associate Professor Hubert Keckeis, from the University of Vienna in Austria, is working with CSU researcher Dr Paul Humphries on the ways that fish larvae disperse in rivers. His visit follows Dr Humphries’ own work two years ago in the Danube River, which was the basis for a major three-year project for Professor Keckeis, the results of which will be used in plans to restore the Danube River that flows through much of southern Europe. “Dr Humphries is well-known for his ‘larval drift’ work in rivers,” said Professor Keckeis, who is working with Dr Humphries, Dr Kevin Warburton and Honours student Mr Tim Kaminskas on experiments to investigate the effects of water velocity and light on larval drift, and analysing age and growth data of drifting larvae.