The Fish and Wildlife Commission adopted and implemented the following changes to walleye limits at the April 1 commission meeting: Canyon Ferry Reservoir (page 58) – Walleye: 10 daily, only 1 over 15 inches. Possession limit is twice the daily limit. Hauser Reservoir (page 61) – Walleye: 10 daily, only 1 over 15 inches. Possession limit is twice the daily limit. Lake Helena (page 63) – Walleye: 10 daily, only 1 over 15 inches. Possession limit is twice the daily limit. Missouri River (pages 66 and 67) Toston Dam to Canyon Ferry Reservoir – Walleye: 10 daily, only 1 over 15 inches. Possession limit is twice the daily limit.