Fond du Lac Area Convention & Visitors Bureau

More than 11,000 people are expected to take to the ice of Wisconsin's Lake Winnebago this week, hoping to spear themselves a mighty prize: a sturgeon.

Spear Fishing
Wolfgang Hoffmann

Tribal leaders in Wisconsin have been unhappy with state leaders for relaxing mining standards and approving a wolf hunt. Now tensions have emerged over spear fishing.

Every spring in southeastern Wisconsin, rising water temperatures activate certain fishes’ instincts to leave Lake Michigan and migrate up river. Several species, including big trout called “steelhead,” make the run upstream to find gravel beds. That’s where the females deposit eggs and the males then fertilize them.