The brook trout (Salvelinus fontinalis) is a freshwater species of fish in the Salmon family. They are native to Eastern North America but have been introduced elsewhere in the world. There are several common names for the brook trout depending on geographical location, it is also known as the eastern brook trout, speckled trout, brook charr, squaretail, or mud trout. Brook trout are being cultured in several Provinces of Canada with the bulk of brook trout being produced in the Quebec region. The brook trout is a favorite of recreational fisherman in North America and a significant amount of production in Canada is for stocking purposes.