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.

Two major forks of this grayling stream come together in this pretty pool.

From the Chena River in Alaska

Stream photos

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Kogotus Stonefly Nymph Kogotus Stonefly Nymph

Dorsal view of a Kogotus (Perlodidae) Stonefly Nymph from Mystery Creek #199 in Washington

This one pretty clearly keys to Kogotus, but it also looks fairly different from specimens I caught in the same creek about a month later in the year. With only one species of the genus known in Washington, I'm not sure about the answer to this ID.

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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.

Be glad this isn't YOUR hydrograph...

Troutnut

Administrator
Bellevue, WA

Posts: 2758

Troutnut on Jun 15, 2011June 15th, 2011, 9:45 pm EDT

This is really cool:

http://news.nationalgeographic.com/news/2011/06/110613-space-science-star-water-bullets-kristensen/

A protostar was discovered that shoots jets of water from its poles. It shoots a hundred millions times the volume of water per second that the Amazon River does, and at a velocity 80 times faster than a bullet.

I'm glad I don't have to wade in that flow!

Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist

Konchu