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Why do sharks lurk around swimming spots?

Australian scientists are trying to find out why man-eating sharks are attracted to popular coastal beaches.
Credit:   Amos Nachoum
Silhouette of a Great White shark against the sun
 |  Queensland Large Shark Tagging Program    |   02-17-2012
Dr Jonathan Werry, a shark research scientist with the Queensland Large Shark Tagging Program, said the movement of sharks into shallow coastal areas was not random.

Bull sharks, tiger sharks and great whites are generally deep-ocean dwellers. But every so often they lurk around popular swimming and surfing spots. Now scientists aim to find out why.

The Queensland Large Shark Tagging Program was initiated under the directive of the Queensland Premier Anna Bligh as is a long-term tagging program which aims to tag up to 150 large sharks.

Selected sharks will also be satellite tagged. The program will provide data on the occurrence of tagged sharks at key sites (primarily beach areas) along the east coast of Queensland.

The program also aims to determine the migratory movements of large sharks both within and beyond the region of study.

Large shark species currently monitored in this program include the Great White, Carcharodon carcharias, the Tiger Shark, Galeocerdo cuvier, the Bull Shark, Carcharhinus leucas, and the Dusky Whaler, Carcharhinus obscurus.

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