PHOTO: Jason Longrass, 41, was bitten in the thigh after the shark attack on Alejandro Travaglini, 37, earlier in the day, April 16, 2018. Longrass' surfboard shows evidence of bite marks.
PHOTO: Alejandro Travaglini, 37, was taken to Perth Royal Hospital after a shark attack near Gracetown in Western Australia, April 16, 2018.
PHOTO: The beach near Gracetown in Western Australia was closed after the first of two shark attacks on April 16, 2018.
PHOTO: Avoca Beach in Australia was closed after a shark attack, Nov. 14, 2017.
VIDEO: Shark attack survivor describes how she escaped from the great white's jaws