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Mox said...
No sharks, other than in my head every time I was in the water.
You just couldn't see them.
Just because a shark is nearby doesn't mean it will attack you. In all likelihood you could go and pat it. Really, you just aren't on its menu. Middle of the day you're pretty safe, especially when you think about how little time you are actually in the water.
However, you're quite possibly pushing your luck if you're swimming in dirty water, in summer, at sunrise or sunset, running tide with trawlers coming past oozing blood out the back. And I'd never (again) swim in South East Queensland at night.
The Bull Sharks that live around here weigh up to 250kg, have chainsaws for teeth, have 3x the testosterone level of an African Elephant on heat, and you're in its environment.

Did a quick google search for that testosterone fact and found body builders like using bull shark testosterone:
forum.bodybuilding.com/showthread.php?t=109099901. Bloody hell.
So anyway... now I've scared you, summer + dirty water + dawn/dusk = real danger. Otherwise you're probably fine.
"Bump & Jump" means something else here