On Tue, 6 Dec 2005, Bob wrote:

Can anyone confirm a whitefish behavior in rivers. I've heard that whitefish
will roll small rocks over using their snounts in an effort to dislodge
nymphs. Some of have said this sometimes the flashes you'll see in a stream
when the whitefish are rolling over rocks.

I've seen suckers flashing in the stream just like whitefish do.

Mu