He fishes the northern Italian streams for grayling and browns.
The streams in the north run colder typically due to glacial runoff.
His biggest brown 45cm.
18 inches
Grayling 42cm.
16.5 inches
Usually in streams of his zone browns are between 20 and 35cms.
They are very small places and totally different from your ones in Wisconsin.
http://lenharris.blogspot.com/2015/09/trout-fishing-in-italy.html