Fish studies report that salmon, steelhead and other species of fish use the UV spectrum to recognize baitfish and other natural prey. Designed Specifically for Salmon & Steelhead Anglers. Also Great For Pike & Muskie. Larger in SIZE and more VIBRANT in color, our FishSeeUV Salmon and Steelhead spinners not only have a premium UV painted finish to maximize visibility, they also feature the traditionally unmatched powerful sonic vibrations of Panther Martin Spinners. The loud sonic vibrations of Panther Martin Spinners will make their presence heard in water and will send salmon and steelhead in to a feeding frenzy.