Sharks are the one thing I've never run into while snorkeling or scuba diving. Good thing, too. Blood might not be the only thing sharks can smell in the water.
Seriously, though... meeting up with a shark while dragging a bag full of fish can't be very pleasant. My dad used to dive and had that experience more than once. But I can't say I have. Good thing we don't have great whites around these parts. Reef sharks, tiger sharks, and a few more species... but no great whites.
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