Salmonflies
Pteronarcys californica
The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
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This one was surprisingly straightforward to identify. The lack of a sclerite at the base of the lateral hump narrows the field quite a bit, and the other options followed fairly obvious characteristics to Clostoeca, which only has one species, Clostoeca disjuncta.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and
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Arthropod Order Decapoda (Crayfish)
Specimens of Crayfish:
1 Adult
1 Juvenile
9 Underwater Pictures of Crayfish:
A crayfish chews on a Hexagenia limbata nymph shortly after a small Hex emergence. I didn't catch any fish, but playing around with my flashlight and camera in the rocks proved productive.
In this picture: Mayfly Species Hexagenia limbata (Hex) and Arthropod Order Decapoda (Crayfish).
A crayfish munches on an unidentified white thing.
In this picture: Arthropod Order Decapoda (Crayfish).
A big crayfish lurks under a log.
In this picture: Arthropod Order Decapoda (Crayfish).
A large crayfish lurks under a log which is home to several mayfly nymphs and caddisfly larvae.
Start a Discussion of Decapoda
Arthropod Order Decapoda (Crayfish)
Taxonomy
Family in Decapoda
Cambaridae
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6
Family in Decapoda: Cambaridae