Smallmouth bass and pike are mainstays of shallow-water fishing along Manitoulin's north shore and around North Channel islands and reefs. Rainbow trout run most streams in spring, with the Kagawong River a popular spot because of easy angler access. During summer, rainbow are caught by downrigger-equipped boats trolling West, Mudge, and Gore Bays, where lake trout populations are also increasing. The province has stocked more than 10 million lakers into the North Channel over the past decade. Brown trout are also a possibility. Chinook averaging 20 pounds (9 kg) are abundant. They're from natural reproduction in Manitoulin rivers, stocked fish from the Gore Bay hatchery, and migrants from Michigan waters.
Source: http://www.fishontario.com/