Thankfully, shark attacks are rare. According to the International Shark Attack Files, Australia averages about 16 attacks per year; statistically, only one of those will be fatal.
If we’re being rational, we should be far more scared of driving to the beach than getting in the water. Once you’ve taken the plunge, you’d be wiser to keep an eye out for riptides rather than dorsal fins. When it comes to sharks, however, rational is not the first emotion that comes to mind.