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Lateral view of a Male Baetis (Baetidae) (Blue-Winged Olive) Mayfly Dun from Mystery Creek #43 in New York
Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Dorsal view of a Skwala (Perlodidae) (Large Springfly) Stonefly Nymph from the Yakima River in Washington
This Skwala nymph still has a couple months left to go before hatching, but it's still a good representative of its species, which was extremely abundant in my sample for a stonefly of this size. It's obvious why the Yakima is known for its Skwala hatch.
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.

Neilstall has attached these 2 pictures. The message is below.
Neilstall
Washington

Posts: 2
Neilstall on Jan 5, 2019January 5th, 2019, 4:52 am EST
Hey everyone!

Last summer I backpacked to an alpine lake in Western Washington and caught several fish. Elevation was 3800' and the lake was fairly small with snow runoff nearly year round. I caught two or three typical rainbows (picture included), but what really made me scratch my head was one that I assumed to be a cutthroat. It was a female and has the red gill plate, but no slash under the jaw. What really interested me was the DARK red fins with slightly white edges (but not on the dorsal or pectorals). She seemed to be an old timer based on the wear and tear on her fins and seemed to be losing scales sadly. Released her right away after snapping this picture, but the longer it's been since then, the more I wonder what she was.

I know there are cases of trout cross-breeding (Tiger Trout), especially in small lakes with little contact and it becomes their only option for survival, but I'm not finding any pictures like this anywhere online. Thanks for your help identifying this beauty!
Troutnut
Troutnut's profile picture
Administrator
Bellevue, WA

Posts: 2758
Troutnut on Jan 5, 2019January 5th, 2019, 9:57 am EST
Hi Neilstall,

I'm really interested to see this picture, since I fish western WA high lakes too, but it looks like it didn't get posted somehow. Maybe try uploading it to imgur.com and posting the link here?
Jason Neuswanger, Ph.D.
Troutnut and salmonid ecologist
Neilstall
Washington

Posts: 2
Neilstall on Jan 5, 2019January 5th, 2019, 10:29 am EST
Sorry for the delay in posting the pictures, I somehow failed to include them originally!

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