A new $5 Warm Water Fish Stamp is required to possess warm water game fish caught on designated waters in Montana’s Central and Eastern Fishing Districts. Some of the most popular warm water sport fish include: largemouth bass, smallmouth bass, walleye, sauger, black crappie, white crappie, channel catfish, yellow perch, northern pike, and tiger muskellunge. The stamp, established in a law passed by the 1999 Montana State Legislature, will help fund a new multi-species fish hatchery near Fort Peck Dam. Resident and nonresident anglers (except resident youth under 15, resident seniors and resident disabled anglers) will need the new stamp. The following waters require the stamp: Central Fishing District: