Journal article
Habitat use and movement patterns of tiger sharks (Galeocerdo cuvier) in eastern Australian waters
ICES Journal of Marine Science, Vol.77(7-8), pp.3127-3137
2020
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Abstract
Understanding the movement of marine predators is vital for effective conservation and management. Despite being targeted by shark control programs, the tiger shark, Galeocerdo cuvier, is poorly studied off eastern Australia. To investigate the horizontal movement and habitat use in this region, 16 sharks (157–384 cm total length) were tagged with MiniPAT pop-up satellite archival tags in 2018 and 2019. Eleven of these individuals were also fitted with satellite-linked radio transmitting tags. After release, most sharks moved off the continental shelf and headed north, associating with seamounts as they moved towards Queensland. During their time at liberty they transited through temperate, sub-tropical and tropical waters and spent the majority of time in the upper 50 m of the water column and at temperatures between 22 and 25˚C. Horizontal movement was focused in waters off the continental shelf. Increased movement over shelf waters occurred during the austral spring and summer when the East Australian Current is at its strongest and warm waters encroach the continental shelf. Broad latitudinal movement along the east coast of Australia was evident and highlights the connectivity between tropical and warm-temperate regions.
Details
- Title
- Habitat use and movement patterns of tiger sharks (Galeocerdo cuvier) in eastern Australian waters
- Creators
- Rebecca S Lipscombe (Author) - Southern Cross UniversityJulia LY Spaet (Author) - University of CambridgeAnna Scott (Author) - Southern Cross UniversityChi H Lam (Author) - University of Massachusetts BostonC P Brand (Author) - Southern Cross UniversityPaul Allan Butcher (Author) - Southern Cross University
- Publication Details
- ICES Journal of Marine Science, Vol.77(7-8), pp.3127-3137
- Publisher
- Oxford University Press
- Identifiers
- 991012892300202368
- Academic Unit
- Faculty of Science and Engineering; National Marine Science Centre; School of Environment, Science and Engineering
- Language
- English
- Resource Type
- Journal article