Walleye populations are declining in Wisconsin lakes

Walleye (Sander vitreus; Figure 1) are one of the most sought-after fish among recreational anglers in the Upper Midwest. Prized for their mild flavor and flaky texture, they are a […]
Using side-scan sonar to map Walleye spawning habitat

The sustainability of fish populations relies on the ability of adult fish to at least replace themselves. To do so, they must spawn successfully, and this requires suitable spawning habitat. […]