Since graduating from JCU in 2003, Paul Thuesen has been involved in numerous projects focusing on the ecology and evolutionary biology of tropical freshwater fishes. Paul is currently on a pest fish project, in collaboration with the Department of Primary Industries and Fisheries (DPI&F) and the Invasive Animals CRC. He has a PhD undertaken a PhD at JCU Cairns. He investigated mechanisms that lead to patterns of diversity in Australian tropical freshwater fishes.