The 8th Water & Fish International Conference will take place again in 2018 in the University of Belgrade, Serbia, in the Faculty of Agriculture. According to the conference title, the main topics are focused on water, as organisms’ habitat, as well as on аquatic organisms, primarily fish. This year, we will focus on biosecurity of aquatic organisms, and will also remain open to all other topics that you suggest through your conference presentation papers or poster contributions. A number of invited speakers will discuss a range of topics in relation to the overall theme of the event. The debates will be given in English, alongside a simultaneous translation into Serbian.