Wisconsin Fish: Identifying Brook Trout

Information on the different types of Brook Trout found in Wisconsin waters.

• Brook Trout Factsheet [PDF 152KB]

Inland Brook Trout

Illustration of Inland Brook Trout by Virgil Beck.

Inland Brook Trout Characteristics

• Irregular worm-like markings on back and dorsal fin
• Reddish spots with blue halos
• Square tail
• Pinkish fins edged in white

Great Lakes Brook Trout

Illustration of Great Lakes Brook Trout by Virgil Beck.

Great Lakes Brook Trout Characteristics

• Pale markings may look similar to small lake trout
• Square tail