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Freshwater fish ecologist, Charles Sturt University

Dr John Koehn is an internationally recognized freshwater fish ecologist with over forty years’ experience. For most of this time was a Principal Research Scientist at the Arthur Rylah Institute for Environmental Research (Victorian Government), where he remains an Honorary Fellow and is also an Adjunct Professor at Charles Sturt University. He has undertaken a wide range of research involving native fishes, their ecology, threats to them and their habits, and restoration of their populations. This work has resulted in over 300 scientific publications and honored with several awards. He has been a member of Ministerial committees, many national recovery teams and advisory/expert panels and provided professional advice to Commonwealth, State and New Zealand research and management agencies.


  • –present
    Freshwater fish ecologist, Charles Sturt University


Australia Day Public service medal, Australian Society for Fish Biology Hall of Fame