Swimmers prepared to venture in for a dip at a beach or river near Brisbane will be unknowingly sharing the water in proximity of a bull shark.

That’s according to Dr Bonnie Holmes, who’s overseen a major study tracking the apex predators across south-east Queensland.

There are no trackers in the Brisbane River, but doctor Bonnie Holmes said there is “definitely, definitely, definitely” a thriving population of bull sharks. Credit: University of the Sunshine Coast

“You’re often in proximity … 100 per cent,” she told this masthead.

“Are they around already when people are using these really popular areas for swimming … like the Brisbane River? Yeah, absolutely. Loading

“We’ve been sharing quite successfully those lower waterways with bull sharks for many, many years.”

Holmes a

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