1, anglers on Upper Red Lake are allowed to keep four walleye this season, with only one walleye longer than 17 inches, compared to the five. Protected Slot: All pike between 30 to 40 inches must be released. The open water season had a four-walleye possession limit, with only one walleye longer than 20 inches allowed. "Anglers fishing on Upper Red Lake in northern Minnesota during the open-water season that starts May 13 will have a five-walleye possession limit, with. There, the DNR says there were slightly lower. 1, anglers fishing on the state waters of Upper Red Lake can keep up to four walleye with one longer than 17 inches. Effective Wednesday, Nov. “More spawning stock is not. On that waterway, the agency says one walleye between ″, or one longer than 28″, can be kept. Possession Limit: An. Only one over 17" allowed in possession. The fish carcass. The Minnesota Department of Natural Resources (DNR) says anglers on Upper Red Lake will have a five-walleye possession limit, with only one. The daily bag and possession limit will be two walleye, and anglers must immediately release all walleye to inches long. The Daily Limit: (3) northern pike with NONE in the protected slot. . Only one walleye in possession. Walleye: From November 1, through February 25, , the daily and possession limit is four.