A staff member from the Castalia Fish Hatchery uses a large tube to shoot rainbow trout into Davis Lake at 15500 St. Marys River Road north of St. Marys Wednesday morning. A total of 600 fish were stocked in the lake. The stocking event is part of the Ohio Department of Natural Resources's long-established annual state fishing advocacy program. Hours are 7 a.m. to 3 p.m. Monday through Friday.