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.

Stream photos

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Onocosmoecus (Great Late-Summer Sedge) Caddisfly Larva Onocosmoecus (Great Late-Summer Sedge) Caddisfly Larva

Lateral view of a Onocosmoecus (Limnephilidae) (Great Late-Summer Sedge) Caddisfly Larva from the Yakima River in Washington

This specimen keys pretty easily to Onocosmoecus, and it closely resembles a specimen from Alaska which caddis expert Dave Ruiter recognized as this genus. As with that specimen, the only species in the genus documented in this area is Onocosmoecus unicolor, but Dave suggested for that specimen that there might be multiple not-yet-distinguished species under the unicolor umbrella and it would be best to stick with the genus-level ID. I'm doing the same for this one.

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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.

Cool salmon footage

Troutnut

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Bellevue, WA

Posts: 2758

Troutnut on Aug 2, 2008August 2nd, 2008, 8:48 pm EDT

I posted some more neat stuff from HD video cameras on my graduate project's website:

http://www.chenakings.org/2008/08/02/salmon-footage/

The YouTube clips leave a lot to be desired, because YouTube compresses the heck out of things and I haven't figured out how to encode videos for the best YouTube quality yet. But click the still pictures in that post (which are just frame captures from the full-sized video) and you'll see some wild Alaskan fish up close & personal.

I wish I could share the full HD video with everyone, because it's really, really cool, but the file size is about a gigabyte per minute.

Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist