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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

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 Amphizoa (Amphizoidae) Beetle Larva from Sears Creek in Washington
This is the first of it's family I've seen, collected from a tiny, fishless stream in the Cascades. The three species of this genus all live in the Northwest and are predators that primarily eat stonefly nymphs Merritt R.W., Cummins, K.W., and Berg, M.B. (2019).
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.
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Report at a Glance

General RegionWyoming
Dates Fished8/08

Details and Discussion

Posts: 1
Sameguy on Feb 13, 2009February 13th, 2009, 1:11 pm EST
MY friend caught this in a high mountain lake in wyoming. Never seen anything like this, wondering if anyone knows what it is.

Taxon's profile picture
Site Editor
Plano, TX

Posts: 1311
Taxon on Feb 13, 2009February 13th, 2009, 2:18 pm EST

My guess would be Oncorhynchus clarki utah, which has a common name of Bonneville Cutthroat Trout.
Best regards,
Roger Rohrbeck
St. Michael, Minnesota

Posts: 26
CharlieSawd on Feb 26, 2009February 26th, 2009, 8:39 am EST
I think it is Oncorhynchus clarki lewisi, the westslope cutthroat. Bonni's tend to have more of a yellow hue. There are resident westslopes in north western WY, and as you said you were fishing a high mountain lake, my guess is you were in this region.

Charlie Sawdey

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