![](http://www.alamy.com/thumbs/6/946F78F8-11D0-44EA-BE7C-799562EB2809/BKNG2M.jpg)
A large rainbow trout rising to feed on a pale morning dun in the Harriman Ranch on the Henry's Fork River, Island Park, Idaho.
Size: 5100px × 3401px
Photo credit: © James McLaughlin / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: bug, dun, ecology, feeding, fish, fishing, fork, great, harriman, henrys, idaho, insect, morning, nature, outdoors, pale, pmd, predation, rainbow, ranch, rising, stream, trout, water