The first signs that killer whales or orcas were chasing the world’s most famous marine predators came in 2017 when the bodies of four great whites were found washed up on the beaches of Gansbaai, about 100 miles east of Cape Town. They shared an unusual feature: the sharks’ lower bodies had been torn and their huge, oil-rich livers had been uprooted. Shark carcasses have been washed up on South African beaches HENNIE OTTO The researchers had not seen anything like this. “They had big holes,” said Alison Towner, a biologist at the Dyer Island Conservation Foundation and lead author of a new study.
