Are Fish and Chips Killing Great White Sharks? Copy link By Nick Dall Copy link WHY YOU SHOULD CARE Cape Town has gone from being a great white hot spot to almost zero sightings. Australian diets might be to blame. By Nick Dall the place to see great white sharks. Now there almost no sightings. Experts fear the increased fishing of smaller sharks, which the great whites feed on, for the Australian market might be to blame. By far the highlight of Dr. Leonardo Guida’s trip to South Africa in 2014 was going cage diving with great white sharks in Cape Town’s False Bay. “There was this four-and-a-half-meter female just circling the cage,” the shark scientist and senior campaigner at the Australian Marine Conservation Society (AMSC) remembers. “In the whole 45 minutes we watched her, she only bared her teeth once.”