Why care about where walleye move in Lake Erie? 🐟 Walleye do not respect state or international boundaries, so understanding how the fish move throughout Lake Erie is important to management decisions. It didn’t take fisheries biologists long to understand that walleye are not a sedentary fish, and they undertook several studies to understand where walleye move. Early tagging efforts used jaw tags in the 1950s and ramped up in the 1980s. Thousands of fish were tagged with inexpensive metal jaw