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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Dorsal view of a Neoleptophlebia (Leptophlebiidae) Mayfly Nymph from the Yakima River in Washington
Some characteristics from the microscope images for the tentative species id: The postero-lateral projections are found only on segment 9, not segment 8. Based on the key in Jacobus et al. (2014), it appears to key to Neoleptophlebia adoptiva or Neoleptophlebia heteronea, same as this specimen with pretty different abdominal markings. However, distinguishing between those calls for comparing the lengths of the second and third segment of the labial palp, and this one (like the other one) only seems to have two segments. So I'm stuck on them both. It's likely that the fact that they're immature nymphs stymies identification in some important way.
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

References

Vertebrate Class Actinopterygii (Fishes)

Common Name
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