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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 Pycnopsyche guttifera (Limnephilidae) (Great Autumn Brown Sedge) Caddisfly Larva from the Yakima River in Washington
This specimen appears to be of the same species as this one collected in the same spot two months earlier. The identification of both is tentative. This one suffered some physical damage before being photographed, too, so the colors aren't totally natural. I was mostly photographing it to test out some new camera setting idea, which worked really well for a couple of closeups.
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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Vertebrate Class Actinopterygii (Fishes)

Baitfish are a very important part of the diet of large trout, in both streams and rivers. Some streamer fishermen believe matching a particular species of baitfish may give an edge, just as hatch-matching helps fool insectivorous fish.

The specific properties of baitfish vary so widely that, given the relative unimportance of their differences, I have not yet put aside the time to write about them.

On this site, I the whole fishes section is deliberately incomplete. It's focused on possible prey for trout, and other taxa are left off the lists. I haven't put as much time into this fish section as I have into the insects, but I will start adding some good closeups of more baitfish species soon.

Specimens of Fishes:

5 Adults

1 Underwater Picture of Fishes:

Start a Discussion of Actinopterygii

Vertebrate Class Actinopterygii (Fishes)

Common Name
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