This brings us to a very handy rule: interact. Fly fishers are infamously pleasant once the ice is damaged. It is constantly much better to be pleasant and ask if you intend to fish a place near one more fishermen. And do not be disturbed if they say no- just move along as well as find one more area. If you are ever unsure about ideal river decorum, ask! I ensure no fly fisher in their appropriate mind will snap with you for asking. They will cherish your willingness to discover and also your desire to adhere to the code of principles that fly fishers have established for themselves.
You may view a fly fisher hanging out in an area yet not angling it. Possibilities excel they are "resting" the water, or letting it cool down after a disruption. Do not assume that you could hop in and start angling. The spot is still practically theirs up until they carry on or if you ask and they offer the go on.