To catch a shark in How to Fish for the grill master, you need to use a specific kind of boss lure for your fishing rod. That means the catching part isn't very difficult at all, but killing a shark, specifically the Blue Shark miniboss, is quite a challenge. And even though getting a shark for the grill master isn't essential to completing island 3, the grill comes in handy later so it's well worth doing. To get this side objective done easily, here's everything you need to know about catching