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In 2008, PhD student Bonnie Holmes commenced her part-time study of tiger shark (Galeocerdo cuvier) biology and ecology in south east Queensland.

Her research, the first of its kind in this region, is aimed at assessing population structure, habitat utilisation and general biological parameters for the species, including ageing, reproduction and diet.

Analysis of site fidelity and seasonal abundance is being undertaken by satellite tagging tiger sharks in the south east, and a genetics study will assess population connectivity of tiger sharks in northern Australian and South Pacific waters.
 

 

 

Justification

Tiger shark catches in the south east Queensland region have suffered a dramatic decline over the last 16 years (Holmes et al. 2012). This project will provide important conservation data concerning the ecology and biology of the tiger shark (Galeocerdo cuvier) populations of south east Queensland waters, as well as population structure throughout their range in north eastern Australia and the South Pacific, which currently remain unknown.

Tiger sharks are listed as 'Near Threatened' on the IUCN Red List, and are a commercially harvested and recreationally important species in Queensland, New South Wales (NSW), and the nearby South Pacific islands.

Tiger sharks are an iconic species, but also an aggressive species known to initiate unprovoked attacks on humans.

 
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