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Slips, trips, electrocution and drowning are some of the risks employees faced when undertaking electrofishing and netting research from boats and river banks. Melbourne Water collaborated with The University of Melbourne, Cesar and the Arthur Rylah Institute to develop a safer solution. This new methodology analyses the DNA in water samples to assess native species, aquatic invaders and other animals that interact with waterways. The results show that eDNA sampling is as good as traditional survey techniques while eliminating associated safety risks for those carrying out research.