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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.

View from Upper to Lower Titcomb Lake From Titcomb Basin in Wyoming

Stream photos

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Hydropsyche (Spotted Sedge) Caddisfly LarvaHydropsyche (Spotted Sedge) Caddisfly Larva
Ventral view of a Hydropsyche (Hydropsychidae) (Spotted Sedge) Caddisfly Larva from the Yakima River in Washington
With a bit of help from the microscope, this specimen keys clearly and unsurprisingly to Hydropsyche.
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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.
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  1. Trout Streams
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  2. Wisconsin
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  3. Mystery Creek # 19

  1. Trout Streams
    2. ›
  2. Wisconsin
    3. ›
  3. Mystery Creek # 19

Underwater photos from Mystery Creek # 19

There's a large school of minnows in the far distance here in the clear water of a spring head.
Hundreds of creek chubs and common shiners take the long path around me through the barren shallows of a silty backwater area. It looks sort of like a Mars landscape, doesn't it?
A huge school of creek chubs and common shiners rushes past me.
The Mystery Creek # 19 in Wisconsin
The Mystery Creek # 19 in Wisconsin
The Mystery Creek # 19 in Wisconsin
The Mystery Creek # 19 in Wisconsin
The Mystery Creek # 19 in Wisconsin
The Mystery Creek # 19 in Wisconsin
This picture has a lot of common shiners in the mix with the school of small brook trout.
Light beams filter through a wavy surface. From the Mystery Creek # 19 in Wisconsin
Here's the stream bottom of a newly renovated artificial channel created by the Wisconsin DNR to restore the natural flow of a small stream that had previously been diverted through a series of shallow, water-warming old private hatchery ponds. From the Mystery Creek # 19 in Wisconsin
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