Hex Mayflies
Hexagenia limbata
The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.
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Vertebrates
This common name refers to only one phylum. Click its scientific name to learn more.
Animal Phylum Chordata
These are pretty much always called Vertebrates.
Though most trout feed mostly on invertebrates, a few vertebrates do come their way. Baitfish, of course, are the most common, but mice, frogs, and salamanders all may supplement the diet of a lucky trophy-sized trout.
This seems to be a mottled sculpin, Cottus bairdi. Normally this species is more mottled.
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