What is "walleyes"

Usage examples of "walleyes".

Then he picked up the day's catch of bass and walleyes and swayed on toward the icehouse.

He selected several choice walleyes, and turned the rest of the catch loose.

He'd been trying to get interested in the wedgehead jigs in the Bass Pro Shops catalog, since according to the fine print below the picture they were supposed to be dynamite for walleyes and both largemouth and smallmouth bass, none of which he'd ever had any luck with.