Projects per year
Personal profile
Biography
I am a marine ecologist and fisheries biologist at Macquarie University, where I lead the Marine Ecology Group (MEG). I have over 30 years of experience assessing the healthy functioning of our oceans and understanding the human-induced challenges they face. My research group and I have a particular focus on threatened species and biodiversity, and on optimising recreational and commercial fishing practices to maximise the sustainability of species and maintain resilient systems. We have a particular focus on sharks and rays, and on sea cucumbers. I also have experience in aquaculture of a diversity of marine species, from barramundi to sea urchins.
I Chair the NSW Fisheries Scientific Committee and sit on the Scientific Advisory Committee for the Sydney Institute of Marine Science. I am also a member of the Technical Advisory Panel for Plastic Oceans Australasia and am an editor for the journals Frontiers in Marine Science, Oceans and Remote Sensing.
For more information visit my lab website www.marineecologygroup.com
Education/Academic qualification
Marine Ecology, PhD, Larval attractants versus adult deterrents: ontogenetic shifts in the response of a sea urchin to host plant chemistry., The University of New South Wales
Award Date: 1 Mar 2001
Zoology, MSc (Hons I), Distribution patterns and life history features of the intertidal encrusting alga Pseudolithoderma sp., University of Auckland
Award Date: 1 Jun 1992
Marine Biology, BSc, University of Sydney
Award Date: 1 Jan 1990
External positions
Chair, NSW Fisheries Scientific Committee, DPI Fisheries
Editor for the journals Oceans and Remote Sensing
Technical Advisory Panel Member, Plastic Oceans Australasia Ltd
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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MQ Marine Research Centre
George, S. (Primary Chief Investigator), Armand, L. (Chief Investigator), Armbrecht, L. (Chief Investigator), Bishop, M. (Chief Investigator), Brock, G. (Chief Investigator), Daczko, N. (Chief Investigator), Dadd, K. (Chief Investigator), Goodwin, I. (Chief Investigator), Grech, A. (Chief Investigator), Hesse, P. (Chief Investigator), Irvine, A. (Chief Investigator), Jacob, D. (Chief Investigator), Kennedy, M. (Chief Investigator), Kosnik, M. (Chief Investigator), Loehr, S. (Chief Investigator), Madin, E. (Chief Investigator), Madin, J. (Chief Investigator), Ostrowski, M. (Chief Investigator), Paulsen, I. (Chief Investigator), Saintilan, N. (Chief Investigator), Tetu, S. (Chief Investigator), Williamson, J. (Chief Investigator), Wood, L. (Chief Investigator) & O'Brien, P. (Chief Investigator)
1/07/15 → …
Project: Research
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Teaching delivery grant for S3 units, Macquarie University
Williamson, J. (Primary Chief Investigator)
Project: Teaching
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Going Wild: Understanding the Impact of Decreasing Coral Reef Complexity on Damselfish Cognition in Natural Reefs
Brown, C. (Primary Chief Investigator), Klinke, A. (PhD Student), Williamson, J. (Supervisor) & Keith, S. A. (Supervisor)
13/08/24 → 12/08/25
Project: Research
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Spatial and temporal scales of oyster reef influence on fish communities
Bishop, M. (Primary Chief Investigator), Bagala, S. (PhD Student) & Williamson, J. (Supervisor)
16/03/24 → 15/03/25
Project: Research
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Evaluating the effects of secondary predation when using DNA metabarcoding for diet assessment in large pelagic fishes
Guillemin, T. (Primary Chief Investigator), Williamson, J. (Supervisor), Pepperell, J. G. (Supervisor) & DiBattista, J. D. (Partner Investigator)
21/01/23 → 15/12/23
Project: Research
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90 years of catch data reveal changes in catch composition in the Australian east coast recreational marlin fishery
Guillemin, T., Pepperell, J. G., Schilling, H. T. & Williamson, J. E., Mar 2025, In: Reviews in Fish Biology and Fisheries. 35, 1, p. 371-389 19 p., e0152190.Research output: Contribution to journal › Article › peer-review
Open AccessFile28 Downloads (Pure) -
A new species of Aega Leach, 1816 (Isopoda: Aegidae), a micro-predator of elasmobranchs from eastern Tasmania, Australia
Guillemin, T. A., McNab, J. M., Williamson, J. E. & Bruce, N. L., 10 Mar 2025, In: Zootaxa. 5601, 3, p. 589-599 11 p.Research output: Contribution to journal › Article › peer-review
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Continuous marine monitoring via autonomous UAV handoff
Kim, H., James, A., Seth, A., Kuantama, E., Williamson, J., Feng, Y. & Han, R., 2025, MobiSys '25: proceedings of the 23st ACM international Conference on Mobile Systems, Applications, and Services. New York: Association for Computing Machinery, p. 711-716 6 p.Research output: Chapter in Book/Report/Conference proceeding › Conference proceeding contribution › peer-review
Open AccessFile2 Downloads (Pure) -
Coral bleaching and mass mortality at Lizard Island revealed by drone imagery
Raoult, V., Joyce, K., Li, J. Y. Q., Roff, G., Carlin, G. & Williamson, J. E., 3 Jul 2025, (E-pub ahead of print) In: Coral Reefs. 10 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Modernising sea cucumber surveys using remotely operated vehicles and aerial drones
Williamson, J. E., Joyce, K. E., Duce, S., Koopman, M., Li, J. Y. Q., Gaston, T. F., Knuckey, I., Mcspadden, K. L., Garner, N., Cornet, V. J., Burke, P. J., Flynn, A. & Raoult, V., Dec 2025, In: Coral Reefs. 44, 6, p. 1961-1976 16 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile
Datasets
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A fish can change its stripes: investigating the role of body colour and pattern in the bluelined goatfish
Tosetto, L. (Owner), Hart, N. (Contributor) & Williamson, J. (Contributor), Macquarie University, 19 Dec 2023
DOI: 10.25949/23648031.v1
Dataset
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Dynamic colour change as a signalling tool in bluelined goatfish (Upeneicthtys lineatus)
Tosetto, L. (Owner), Hart, N. (Contributor) & Williamson, J. (Contributor), Macquarie University, 19 Dec 2023
DOI: 10.25949/22697368.v1
Dataset
Prizes
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Department of Biological Sciences Creativity and Contributions to Teaching Award (CACTA)
Williamson, J. (Recipient), 2014
Prize: Teaching award
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Faculty of Science Learning and Teaching Citation
Williamson, J. (Recipient), 2012
Prize: Teaching award
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Macquarie University Excellence in Research Award, Highly Commended
Williamson, J. (Recipient), 2014
Prize
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Macquarie University Innovation Awards, Highly Commended in Commercial Innovation
Williamson, J. (Recipient), 2009
Prize
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