“A heads up for owners of dogs who like to swim at Spit West Reserve. Don’t,” the accompanying post read. “There are bull sharks in the harbour at this time of year as the animals set up ...

Sydney, Australia — A shark bit and killed a 17-year-old girl swimming off an eastern Australian ... Most serious bites are from white sharks, bull sharks and tiger sharks.

As water temperatures rise along the coast, specifically around the Greater Sydney region, bull sharks have had to expand ...