Spotted Handfish (Brachionichthys hirsutus) - GPS Underwater Visual Census - 2014-2022 repeated population surveys (NESP MB A10; NESP MaC 1.23)
Dive surveys were conducted in 2014 and the same sites resurveyed annually until 2022 (excluding 2021), to establish a baseline and monitor the status of the critically endangered spotted handfish (Brachionichthys hirsutus) population. This dataset is a summary of all surveys season 2014 to 2022 (excluding 2021) in which the 11 sites across the Derwent Estuary and D'Entrecasteaux Channel were assessed. The data describes the search effort (transect length, swathed area) and counts of handfish observed on each transect, including size measurements (total length) and depth records for each sighted fish.
Data and resources
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CSV Open
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Download data in a range of formats via OGC WFS.HTML Open
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Summary population statistics 1998 - 2019CSV Open
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MAP - Spotted Handfish surveysHTML Open
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Lynch, Tim; Green, Mark; Wong, Lincoln; Bessell, Tyson; Cooper, A. J.; Valentine, J; Barrett, Neville; Ross, Jeff; McEnnulty, Felicity; Foster, Scott.…HTML Open
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Wong LSC, Lynch TP, Barrett NS, Wright JT, Green MA, Flynn DJH (2018) Local densities and habitat preference of the critically endangered spotted handfish…HTML Open
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Lynch, T., Green, M. & Davies, C. Diver-towed GPS to estimate densities of a critically endangered fish. Biological Conservation 191 (2015): 700-706.HTML Open
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Lynch, Tim; Green, Mark; Davies, Claire. Diver towed GPS increases both statistical power to estimate densities and functionality to observe behaviours of…HTML Open
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License GraphicPNG Open
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Additional information
| Temporal extent | 2014-02-28 – 2022-11-03 |
|---|---|
| Date (revision) | 2022-12-31 |
| Status | completed |
| Update frequency | annually |
| License | Creative Commons Attribution 4.0 |
| Source metadata | ISO 19115 XML |
| Last updated | 2026-11-05 |
| Created | 2026-11-05 |
| API | package_show |