Burger King in the United States sources 100% of its fish for fish sandwiches from wild-caught Alaskan pollock.

This sandwich was first introduced in 1975, originally named "The Whaler," and was launched with the aim of directly competing with McDonald's Filet-O-Fish. Today, every Burger King fish sandwich uses 100% wild-caught Alaskan pollock, a type of fish praised for its mild flavor and flaky texture.