Wisconsin Fish: Identifying Brown Trout

Here is some information on the different types of Brown Trout found in Wisconsin waters.

Inland Brown Trout

Illustration of Inland Brown Trout by Virgil Beck.

Inland Brown Trout Characteristics

• Large black, blue or reddish spots on body
• 10-12 anal rays
• Square tail with few spots

Great Lakes Brown Trout

Illustration of Great Lakes Brown Trout by Virgil Beck.

Great Lakes Brown Trout Characteristics

• Very silvery in summer
• Dark spots on body, but not colorful reds or blues