Cambarus bartonii
From Wikipedia, the free encyclopedia
| Cambarus bartonii | ||||||||||||||||
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| Cambarus bartonii (Fabricius, 1798) |
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Astacus ciliaris Rafinesque, 1817 |
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 dsescribed 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].
[edit] References
- ^ 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.
- ^ a b Comprehensive report: Cambarus bartonii - (Fabricius, 1798). NatureServe Explorer. Retrieved on 2007-08-20.
- ^ 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:.
- ^ Simone Rose. The Crayfish. McMaster University. Retrieved on 2007-08-20.
- ^ Aimee H. Fullerton. Cambarus (Cambarus) bartonii (Fabricius 1798). The Crayfishes of North Carolina. North Carolina Wildlife Resources Commission. Retrieved on 2007-08-20.
- ^ 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.
