Tail fin deeply forked. Inside mouth whitish in color. Black spots with white halos on back sides. Dorsal, adipose and tail fins lightly spotted. Rusty-red spots also on sides.
Adipose fin has orange to orange-red coloration.
Lake run browns exhibit an overall silvery color tending to hide most of the distinguishing marks. Black spots will still be visible and adipose fin maintains its orange to orange-red hue. Tail fin is square with generally no spots or markings. Mouth color is pinkish-white.