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Cambarus bartonii

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Cambarus bartonii
Scientific classification
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C. bartonii
Binomial name
Cambarus bartonii
(Fabricius, 1798)
Synonyms [1]
  • Astacus ciliaris Rafinesque, 1817
  • Astacus pusillus Rafinesque, 1817
  • Cambarus montanus Girard, 1852
  • Cambarus pusillus Girard, 1852

Cambarus bartonii is a species of crayfish native to eastern North America, where it is called the common crayfish[1] or Appalachian brook crayfish.[2]

C. bartonii was the first crayfish to be described from North America, when Johan Christian Fabricius published it under the name Astacus Bartonii in his 1798 work Supplementum entomologiae systematicae.[3] The locality where his specimen was captured is not known, but is thought to be near Philadelphia, Pennsylvania.[1]

C. bartonii lives in fast–flowing, cool, rocky streams as well as shallow lakes,[4] and is found in the Canadian provinces of Ontario, Quebec and New Brunswick, and in the United States from Maine to Alabama.[2] In the south of its range, C. bartoni is restricted to the Appalachian Mountains and their foothills.[1]

Colouration is usually plain dark brown, although mottling is occasionally seen, as is a saddle-shaped marking.[5]

Several subspecies of C. bartonii have been recognised, but it is unclear how advisable this is, and work is ongoing to determine patterns of infraspecific variation.[6]

Cambarus bartonii is included as a species of Least Concern on the IUCN Red List.[7]

References

  1. ^ a b c d James W. Fetzner Jr. (December 6, 2006). "Cambarus (Cambarus) bartonii bartonii (Fabricius, 1798)". Crayfish Taxon Browser. Carnegie Museum of Natural History.
  2. ^ a b "Comprehensive report: Cambarus bartonii - (Fabricius, 1798)". NatureServe Explorer. Retrieved August 20, 2007.
  3. ^ Horton H. Hobbs Jr. (1942). "A generic revision of the crayfishes of the subfamily Cambarinae (Decapoda, Astacidae) with the description of a new genus and species". American Midland Naturalist. 28 (2). The University of Notre Dame: 334–357. doi:10.2307/2420820. JSTOR 2420820.
  4. ^ Simone Rose. "The Crayfish". McMaster University. Retrieved August 20, 2007.
  5. ^ Aimee H. Fullerton. "Cambarus (Cambarus) bartonii (Fabricius 1798)". The Crayfishes of North Carolina. North Carolina Wildlife Resources Commission. Archived from the original on September 28, 2007. Retrieved August 20, 2007. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
  6. ^ Keith A. Crandall; James W. Fetzner Jr.; Horton H. Hobbs Jr. (January 1, 2001). "Cambarus (Cambarus) bartonii carinirostris Hay 1914". Tree of Life Web Project. {{cite web}}: Unknown parameter |last-author-amp= ignored (|name-list-style= suggested) (help)
  7. ^ Template:IUCN2010