Sharks

The Conversation

19 September 2013


The growing demand for shark fin as an ingredient in Chinese cuisine has caused an explosion in the number of shark fisheries in recent decades. But sharks are important members of ocean food chains, and removing them can have unintended consequences. Our new study, conducted off the coast of northwest Australia, shows that killing sharks isn’t just bad for sharks; it can also harm coral reefs.

A snapshot of the research progress within the Great Barrier Reef Biodiversity node for January to June 2013.

 

Sharks, giant trevally, coral trout and other large reef predators present a challenge to reef managers. Their mobility complicates estimates of population status, which makes assessment of man-made and natural changes hard to define.

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