The vibrating and spinning action of the Apex Trolling Lure makes it one of the most popular trolling lures on the market. It is highly effective with Salmon, Trout, Mackinaw, Lakers, Walleye, Pike and other game. Basically any fish that feed on minnows or bait fish. The Apex duplicates the movements of a wounded fish, and It's contoured-scoop front surface causes a rapid, side-to-side shaking motion that just can't miss.