Charter boats in Duluth have evolved over the years with evolving equipment, techniques and predominant fish species. Different organizations have tried to influence the restocking of Lake Superior after the lamprey invasion devastated the native populations. Lamprey are currently being controlled, but are still evident by the marks they leave on the lake trout we catch. Minnesota is stocking predominately lake trout. The natural born lake trout seem to be increasing in numbers, which probably means the stocking will diminish. It seems the shore fishermen have got the DNR attention and are influencing the restocking of Kamloops/steelhead. Charter boat fishing includes one in a thousand Kamloops. Lake Superior has made a remarkable comeback in fish population since the successful controlling of the lamprey.