Jaws’ Bruce vs OCEARCH’s Breton | Could a 25-Foot Great White Exist? In Jaws, the shark “Bruce” was imagined at nearly 25 feet long and weighing 3 tons. But how does that compare to the real white sharks swimming our oceans today? Meet Breton, an OCEARCH-tagged white shark measuring over 13 feet long and about 1,500 pounds. That’s huge—but still far from Bruce’s Hollywood proportions. So, could a 25-foot, 3-ton white shark exist? OCEARCH shares what science tells us, what history records suggest