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{{Taxobox | name = ''Cambarus bartonii''
{{Taxobox
| regnum = [[Animal]]ia
| regnum = [[Animal]]ia
| phylum = [[Arthropod]]a
| phylum = [[Arthropod]]a

Revision as of 15:14, 1 February 2009

Cambarus bartonii
Scientific classification
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Genus:
Species:
C. bartonii
Binomial name
Cambarus bartonii
(Fabricius, 1798)
Synonyms

Astacus ciliaris Rafinesque, 1817
Astacus pusillus Rafinesque, 1817
Cambarus montanus Girard, 1852
Cambarus pusillus Girard, 1852 [1]

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].

References

  1. ^ a b c d James W. Fetzner, Jr. (2006-12-06). "Cambarus (Cambarus) bartonii bartonii (Fabricius, 1798)". Crayfish Taxon Browser. Carnegie Museum of Natural History. {{cite web}}: Check date values in: |date= (help)
  2. ^ a b "Comprehensive report: Cambarus bartonii - (Fabricius, 1798)". NatureServe Explorer. Retrieved 2007-08-20.
  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): 334–357. doi:10.2307/2420820. {{cite journal}}: Unknown parameter |quotes= ignored (help)
  4. ^ Simone Rose. "The Crayfish". McMaster University. Retrieved 2007-08-20.
  5. ^ Aimee H. Fullerton. "Cambarus (Cambarus) bartonii (Fabricius 1798)". The Crayfishes of North Carolina. North Carolina Wildlife Resources Commission. Retrieved 2007-08-20.
  6. ^ Keith A. Crandall, James W. Fetzner, Jr., & Horton H. Hobbs, Jr. (2001-01-01). "Cambarus (Cambarus) bartonii carinirostris Hay 1914". Tree of Life Web Project. {{cite web}}: Check date values in: |date= (help)CS1 maint: multiple names: authors list (link)