In article . com,
runsrealfast wrote:

But the question still remains will they move up into the areas where
fishing is popular. We are talking about 20-30 miles of traveling plus
the water will drop in temperature a bit upstream. I doubt I would
ever land one on a fly, but can imagine maybe a smaller one going
after a streamer. They are known to feed on smaller fish.

John

Dont they first smell the bait with feelers (mandibles?) before they
take the bait? That is what green and white sturgeon do at least.