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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Fly Fishing and Trout Prey Videos

Fly Fishing and Trout Prey Videos

One of the most important things to a choosy trout is the one thing my close-up pictures can't show: motion. Fly tyers imitate motion by using lively materials, and fly anglers imitate it with subtle rod-work, but both need to understand how the real critters move. Most of these were shot long ago with an ancient digital camera.

Spring break-up on the Tanana River near Fairbanks

On April 26, 2014, we caught the last of the contiguous ice across the Tanana River near Fairbanks breaking up and washing away.

Cinygmula par mating flight

It's remarkable what thick hatches, and especially spinner flights, can come from a species few anglers have ever heard of. The genus Cinygmula is thought to produce unremarkable spinner flights, but this one would certainly have gotten the trout going if it weren't happening just before dark on a small stream where there isn't a lot of nocturnal feeding.

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