Section 13.01.11.011 - DEFINITIONS - CONDUCT OF FISHING01.Catch-and-Release. Effort to catch fish, provided that any fish so caught is released immediately back to the water after landing and not reduced to possession.02.Commercial Fishing. Fishing or transporting fish or crayfish for the purpose of selling.03.Fly Fishing. Fishing with a fly rod, fly line, and artificial fly.04.Harvest. Reduce a fish to possession.05.Ice Fishing. Fishing through an opening broken or cut through the ice.06.Length. The length between the tip of the nose or jaw and the tip of the tail fin.07.Snagging. Taking fish by use of a hook or lure in any manner or method other than enticing or attracting a fish to strike with, and become hooked in, its mouth or jaw.08.Trolling. Taking a fish from a moving watercraft by dragging or pushing any fly, lure, bait, or hook using a motor, oars, or other forms of propulsion.09.Unattended Line. Line not under the immediate surveillance by the angler.Idaho Admin. Code r. 13.01.11.011