4. Check Out The Slacks:
One of the fish rules that will help you is to find the slacks. There will be a point the rivers main flow will meet a serene area. At this point also, there will be more chance to find fish.
5. Fast Waters Is What You Need
Fast water that is oxygenated is surely one place where the chances of finding fish will be higher. You need to look out for this point.
6. Locals Can Help
One of the fish rules and tips that will not fail is to speak to the locals. These people will be able to give you the correct idea about what types of fish are there in the area. They will also tell you exactly where you will find more fish.