Interdisciplinary approaches are needed to tackle complex environmental issues as freshwater ecosystems face unprecedented pressures globally. The emerging Ecohydraulics field of research should take steps towards developing true interdisciplinarity and embrace the transformation required as the world keeps changing in front of our eyes. This paper aims to contribute to the discussion on interdisciplinarity in Ecohydraulics and to shape its growth. This contribution builds upon previous research that identified the challenges and opportunities for early career researchers (ECRs) in Ecohydraulics and takes a step further on identifying key actions, actors, and implementation strategies that can strengthen interdisciplinarity. Based on an online questionnaire and a workshop involving over 150 early and established careers, we present a list of 20 prioritised actions that will help engage the research community towards specific goals and will result in increased interdisciplinary outcomes. While ECRs have taken the lead on creating this roadmap, its implementation should be a joint responsibility of both ECRs, established career scientists, groups, and institutions within Ecohydraulics. The list of identified actions and assigned responsibility should, therefore, be considered a conversation starter among the Ecohydraulics community on how to strengthen interdisciplinarity. This means that a continued revision of the here stated approaches will be required to in the future, as the field of research and its community progresses. With this contribution, we resume a critical reflection on where the Ecohydraulics field of research and community stands today and where efforts need to be invested in the long-term to consolidate its inherent interdisciplinarity.