 Dion Aquanet is a Horizon 2020 project aiming to develop genomic tools and novel ecogenomic indices for use in routine biodiversity assessments of European freshwater and marine environments. The project brings together experts from various fields including biology, chemistry, computer science, law, policy, and economics to create a comprehensive framework for the implementation of these tools into existing legislation. This article was authored by Florian Lies, Florian Ultramat, Agnes Boucher, and others.