Salmon trout (Salvelinus namaycush, Walb.) and whitefish (Coregonus clupeiformis, Mitchill) are the most numerous and valuable.
The fishing industry of Lake Superior is important, salmon-trout (Salvelinus namaycush, Walb), ranging from 10 to 50 lb in weight, being gathered from the individual fishermen by steam tenders and shipped by rail to city markets.
The most numerous and valuable fish are the lesser white fish (Coregonus artedi, Le Sueur), pickerel (Stizostedion vitreum, Walb.), pike (Lucius lucius, L.), and white fish (Coregonus clupeiformis, Mitchill), in the order named.