She had been wading through waist deep water when the great white shark, thought to be nearly 13-feet long, appeared through a wave and attacked, GB News reported.
Rescuers and police services responded at 7.53 a.m, and recovered Bisogno's remains about 50 yards away from where the attack occurred, a statement from the National Sea Rescue Institute said.South Africa's National Sea Rescue Institute says there has been more shark activity than usual this year, although the attack on Bisogno was deemed "very unusual.".This will help officials learn more about sharks and what causes them to attack, the National Rescue Institute said.