Zonker Silver - Zonker. The Silver Zonker mimics a shiny silver baitfish with precision. Fish the Silver Zonker in the morning or the evening for the best results. The Silver Zonker can be used on many streams and lakes with movement as this adds to the realistic movement of this wonderful pattern. The Silver Zonker can be used for a wide selection of fish including: Small Mouth Bass, Rainbow Trout, Brown Trout, Permit, Steelhead, Bonefish, Tarpon, Brook Trout and Large Mouth Bass.