Faxonius peruncus

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Faxonius peruncus
File:Big Creek crayfish St. Francis River.jpg
Critically Imperiled
Critically Imperiled  (NatureServe)[2]
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Family: Cambaridae
Genus: Faxonius
Species:
F. peruncus
Binomial name
Faxonius peruncus
(Creaser, 1931)
Synonyms

Orconectes peruncus[1]

Faxonius peruncus, the Big Creek crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Missouri.[2] The common name refers to Big Creek, where the original specimens were found.[3]

Distribution

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F. peruncus is limited to the St. Francis River watershed.[1]

Threats

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The main threat to this species is a related species, F. hylas which was introduced into the area in 1984. F. hylas out-competes, and hybridises with, F. peruncus.[2] Also, pollution from the Southeast Missouri Lead District affects the water quality in the local area.[1][2]

References

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