Do great white sharks eat sharks?

yes
The Answer Is Clear. . .Great Whites Do Eat Other Sharks In 3 Cases

1.)Great Whites Are Predatory So If a Weaker Shark Happens 2 Stumble Into There Territory Great Whites Will Attack.

2.) If a Great White Gets Hungry Enough It Is Forced 2 The Last Option && That Option Is: Cannibalism.

3.) In 3 Months Of The Year Which Are June,July,&&August. Those Months Are Breeding Season So Sharks Are Forced 2 Attack And Possibly Eat Other Sharks Over Mates.