In the eighth episode of the 11-part series, “How to Read Water,” from Jensen Fly Fishing, Dave explains why trout love eddies–for the current break, depth, and food supply. He also discusses what to look for when you’re assessing an eddy, which will affect how you present your fly.

https://www.orvis.com/fly-fishing
https://news.orvis.com/fly-fishing
http://flyfishalberta.com/jensenflyfishing/

Also look at:
http://flyfishing-blog.com/flyfishing-blog.com/2020/07/05/orvis-how-to-read-water-07-how-to-fish-tailouts/
http://flyfishing-blog.com/flyfishing-blog.com/2020/06/29/orvis-una-razon-para-pescar-a-reason-to-fish/
http://flyfishing-blog.com/flyfishing-blog.com/2020/06/24/orvis-guide-to-fly-fishing-fly-fishing-for-bonefish/