Some species, like wahoo and kingfish, are more attuned to hunting in the middle of the water column and are less likely to rise to a trolling spread than say a sailfish or dolphin. In any case, it is important to remember that predatory game fish don’t spend all of their time hunting on the surface, and it is sometimes necessary to send a bait deep to reach them. These are your answer to getting that added coverage in the water column. 12" 400 lb. Stainless Steel cable.