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

Featured on the forum

Re: Trico emergers
In the Mayfly Genus Tricorythodes by Bwoklink (Martinlf replied)

Re: Trico Tips
In the Mayfly Genus Tricorythodes by Martinlf

Re: UV spectrum and trout
In General Discussion by Martinlf

Re: closing the gender gap in flyfishing
In General Discussion by Konchu (Smallflyguy replied)

Re: Fishing Kupa River, Slovenia
In Fishing Reports by Slocum (Fish1 replied)

Zapada cinctipes (Tiny Winter Black) Stonefly Nymph Zapada cinctipes (Tiny Winter Black) Stonefly Nymph

Dorsal view of a Zapada cinctipes (Nemouridae) (Tiny Winter Black) Stonefly Nymph from the Yakima River in Washington

Nymphs of this species were fairly common in late-winter kick net samples from the upper Yakima River. Although I could not find a key to species of Zapada nymphs, a revision of the Nemouridae family by Baumann (1975) includes the following helpful sentence: "2 cervical gills on each side of midline, 1 arising inside and 1 outside of lateral cervical sclerites, usually single and elongate, sometimes constricted but with 3 or 4 branches arising beyond gill base in Zapada cinctipes." This specimen clearly has the branches and is within the range of that species.

13 Recently Added Photos

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.

unknown mites-please help

Dawnrenee has attached these 3 pictures to aid in identification. The message is below.

Dawnrenee
Posts: 1

Dawnrenee on Aug 19, 2008August 19th, 2008, 10:16 am EDT

I don'k know if anyone can help me or not, but it's worth a shot. I had let my kids put some little tadpoles in my aquarium for the fish to eat, but I know that was a big mistake. Now the bottom of my aquarium is covered with tiny mites. They haven't tried messing with my fish YET. I've tried cleaning the tank, but they won't go away. I don' know what they are to even try to find out how to get rid of them permantly without killing my fish. They are smaller than spider mites that you would find on plants. They are clear with what looks like about 6 black dots on their backs and the underneath has nothing. The body seems to be a thin shell-type. Not hard to squash, but seems hard for it's tiny size. I took some pictures using my small camera and a magnifying glass. I don't have anything fancy to take better pictures, but I hope the description will help out. The mites are on regular size small marble and regular size small aquarium gravel. And I can answer any questions to the best of my ability. Can someone please help? I can also be reached at dawndawnrenee@aol.com. Thanks, Dawn S.

p.s. Here are three pics. I have one more, but there was too many kb to be acceped. Thanks for any and all help.

Inconnu
Beaumont, Alberta

Posts: 3

Inconnu on Aug 28, 2008August 28th, 2008, 7:16 am EDT

It is hard to make them out clearly but the shape of the clearer critters say they are daphnia. If they are and I believe I am right, they are raised as food for aquarium fish. Hope this helps....Kerry

existo bonus ut invicem

Troutnut

Administrator
Bellevue, WA

Posts: 2758

Troutnut on Sep 2, 2008September 2nd, 2008, 6:42 am EDT

Yeah, a couple critters in the second picture especially look like Daphnia. If so, they're actually a good and harmless food source for anything else in your tank. Don't worry about it.

Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist