Dean Gilligan

Research expertise

  • State-wide freshwater fish monitoring
  • Captive breeding and reintroduction of threatened fish
  • Fish-habitat associations and species distribution modelling
  • Pest fish control
  • Environmental water and fish
  • Conservation genetics


Dean Gilligan is a senior research scientist in the NSW Department of Primary Industries Freshwater Ecosystems research team. He joined NSW Fisheries in 1998 and has undertaken research into fish passage, state-wide freshwater fish monitoring, environmental flows, threatened species biology and recovery, carp impacts and control, population genetics and species distribution modelling. He has worked from the Port Stephens Fisheries Centre, Narrandera Fisheries Centre (where he spent 7 years as Director of Research) and is now based at Batemans Bay Fisheries Office. He has produced over 100 scientific outputs and has co-supervised 13 post-graduate students at various Universities.


  • PhD Conservation Genetics – Macquarie University 2001
  • B.Sc. (Hons) – Macquarie University 1995


  • NSW Basin Plan Environmental Outcomes Monitoring – Fish.
  • Murray-Darling Basin Plan fish condition monitoring.
  • Recovering endangered Macquarie perch populations in NSW.
  • Resource assessment and stock enhancement  of Murray crayfish.
  • National Carp Control Plan - Science Advisory Group.
  • NSW Fisheries Scientific Committee.

Recent publications

Please refer to Dean Gilligan's Google scholar page.

Contact details

Location: Batemans Bay
Phone: (02) 4478 9100