Data

Grey nurse shark potential aggregation sites (NESP MaC 4.15)

University of Tasmania, Australia

Harasti, David ; Bradford, Russell ; Westlake, Emma ; Louden, Brett

Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]

ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=info:doi10.25959/KJS4-CP51&rft.title=Grey nurse shark potential aggregation sites (NESP MaC 4.15)&rft.identifier=10.25959/KJS4-CP51&rft.description=This dataset describes grey nurse shark (Carcharias taurus) listed, recognised and candidate aggregation sites in Australian waters, together with supporting individual acoustic-detection summaries from monitored aggregation sites. It consolidates previously documented site-level information on known, listed and candidate aggregation areas with time-series evidence of acoustically tagged shark detections. The project reviewed existing information on grey nurse shark aggregation sites and developed a revised definition for assessing aggregation status. Under this definition, an aggregation site is a discrete area where multiple grey nurse sharks are observed on a regular or predictable basis and where one or more behavioural functions may be inferred, including migration, resting, reproduction, feeding or undefined aggregation. The project also collected new survey and monitoring evidence from selected areas of potential grey nurse shark use, including Barwon Banks and the Hards in Queensland, Outer Gibber Reef in the Hunter Marine Park, and potential habitat in Gippsland, Victoria. These newly surveyed areas were not classified as confirmed aggregation sites as further monitoring is required to assess whether they support regular or predictable use by multiple grey nurse sharks. The data provided by this record include: • Aggregation-site data: a consolidated table of listed, recognised and potential grey nurse shark aggregation sites and associated information. • Individual detection data: collated acoustic telemetry detection summaries for tagged grey nurse sharks at monitored aggregation sites.Maintenance and Update Frequency: notPlannedStatement: This project reviewed existing information on grey nurse shark aggregation sites and generated new field-based evidence for selected potential sites. Existing site information was compiled from previously published site records and candidate western Australian survey sites. Individual detection summaries were derived from acoustic telemetry data compiled for monitored aggregation sites. 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(2026). Grey nurse shark potential aggregation sites [Dataset]. Institute for Marine and Antarctic Studies. https://doi.org/10.25959/KJS4-CP51&rft_rights=This dataset is hosted by the Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, on behalf of NSW DPI and NESP Marine and Coastal Hub Project 4.15.&rft_subject=biota&rft_subject=National Environmental Science Program (NESP) Marine and Coastal Hub&rft_subject=Marine parks&rft_subject=Threatened species&rft_subject=Grey nurse shark&rft_subject=Carcharias taurus&rft_subject=USE/FEEDING HABITATS&rft_subject=SHARKS/RAYS/CHIMAERAS&rft_subject=CONSERVATION&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=Conservation and Biodiversity&rft_subject=ENVIRONMENTAL SCIENCES&rft_subject=ENVIRONMENTAL SCIENCE AND MANAGEMENT&rft_subject=Wildlife and Habitat Management&rft.type=dataset&rft.language=English Access the data

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Creative Commons Attribution 4.0 International License
http://creativecommons.org/licenses/by/4.0/

Cite data as: Harasti, D., Bradford, R., Westlake, E., & Louden, B. (2026). Grey nurse shark potential aggregation sites [Dataset]. Institute for Marine and Antarctic Studies. https://doi.org/10.25959/KJS4-CP51

This dataset is hosted by the Institute for Marine and Antarctic Studies (IMAS), University of Tasmania, on behalf of NSW DPI and NESP Marine and Coastal Hub Project 4.15.

Access:

Open

Contact Information

Full description

This dataset describes grey nurse shark (Carcharias taurus) listed, recognised and candidate aggregation sites in Australian waters, together with supporting individual acoustic-detection summaries from monitored aggregation sites. It consolidates previously documented site-level information on known, listed and candidate aggregation areas with time-series evidence of acoustically tagged shark detections. The project reviewed existing information on grey nurse shark aggregation sites and developed a revised definition for assessing aggregation status. Under this definition, an aggregation site is a discrete area where multiple grey nurse sharks are observed on a regular or predictable basis and where one or more behavioural functions may be inferred, including migration, resting, reproduction, feeding or undefined aggregation. The project also collected new survey and monitoring evidence from selected areas of potential grey nurse shark use, including Barwon Banks and the Hards in Queensland, Outer Gibber Reef in the Hunter Marine Park, and potential habitat in Gippsland, Victoria. These newly surveyed areas were not classified as confirmed aggregation sites as further monitoring is required to assess whether they support regular or predictable use by multiple grey nurse sharks. The data provided by this record include: • Aggregation-site data: a consolidated table of listed, recognised and potential grey nurse shark aggregation sites and associated information. • Individual detection data: collated acoustic telemetry detection summaries for tagged grey nurse sharks at monitored aggregation sites.

Lineage

Maintenance and Update Frequency: notPlanned

Statement: This project reviewed existing information on grey nurse shark aggregation sites and generated new field-based evidence for selected potential sites. Existing site information was compiled from previously published site records and candidate western Australian survey sites. Individual detection summaries were derived from acoustic telemetry data compiled for monitored aggregation sites. These data summarise detections of tagged grey nurse sharks by site, individual and month, and were used to support interpretation of temporal patterns in site use.

Notes

Credit
The data collections described in this record are funded by the Australian Government Department of Climate Change, Energy, the Environment and Water (DCCEEW) through the NESP Marine and Coastal Hub. In addition to NESP (DCCEEW) funding, this project is matched by an equivalent amount of in-kind support and co-investment from project partners and collaborators.

Created: 2026-06-05

Data time period: 2024-03-01 to 2025-06-30

This dataset is part of a larger collection

Click to explore relationships graph

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Subjects

User Contributed Tags

Other Information

Download aggregation site data in a range of formats via OGC WFS. (MaC_4_15_GNS_aggregation_sites)

url : https://geoserver.imas.utas.edu.au/geoserver/NESP/wfs External Link

MAP - Grey nurse shark potential aggregation sites (MaC_4_15_GNS_aggregation_sites)

url : https://geoserver.imas.utas.edu.au/geoserver/NESP/wms External Link

Bradford R W, Harasti D, Louden B, Westlake EL, Stephenson S, Kilpatrick C, Dwyer R, Cameron J, Wanganeen H, Sherman S, Ierodiaconou D, Travers M, Braccini M, Williams J, Newman SJ (2025). Project 4.15: Grey nurse shark aggregations. Report to the National Environmental Science Program. CSIRO Environment, Hobart, Tasmania. (Final project report)

url : https://www.nespmarinecoastal.edu.au/publication/grey-nurse-shark-aggregations/ External Link

View aggregation sites in the interactive Seamap Australia portal.

url : https://seamapaustralia.org/map/#ff498535-43e1-41d4-881a-607909358c3e External Link

Chidlow, J., Gaughan, D. and McAuley, R. 2006. Identification of Western Australian Grey Nurse Shark aggregation sites, Final Report to the Australian Government, Department of the Environment and Heritage, Fisheries Research Report No. 155, Department of Fisheries, Western Australia, 48p. (Related publication)

url : https://library.dpird.wa.gov.au/fr_rr/222/ External Link

Hoschke, A. M., Whisson, G. J., Haulsee, D. (2023). Population distribution, aggregation sites and seasonal occurrence of Australia’s western population of the grey nurse shark Carcharias taurus. Endangered Species Research 50: 107-123. (Related publication)

doi : https://doi.org/10.3354/esr01225 DOI Link

Otway NM and Louden BM, 2025. Occupation of aggregation sites and migratory movements of the Grey Nurse Shark (Carcharias taurus) off eastern Australia. NSW Department of Primary Industries and Regional Development. Port Stephens Fisheries Institute. (Related publication)

url : https://www.dpi.nsw.gov.au/__data/assets/pdf_file/0007/1656016/INT25-92017-Otway-and-Louden-2025-Occupation-of-Aggregation-Sites-and-Migratory-Movements-of-GNS_September-20254.pdf External Link

global : d04d199d-37df-4335-bfaf-45b13d078824

NESP MaC Project 4.15 - Grey nurse shark aggregations, 2024-2025 (CSIRO, NSW DPI)

raid : 10.71676/38e17bf8 Handle Link

Identifiers

DOI : 10.25959/KJS4-CP51
global : 11812b01-19f8-4126-a3f3-6e87a7b83dc2