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Cambaridae is the largest of the three families of freshwater crayfish, with over 400 species. Most of the species in the family are native to North America east of the Great Divide, such as the invasive species Procambarus clarkii and Orconectes rusticus, with fewer species living in East Asia and Japan, such as zarigani (Cambaroides japonicus).

A 2006 molecular study suggested that the family Cambaridae may be paraphyletic, with the family Astacidae nested within it, and the status of the genus Cambaroides remains unclear.


  1. James W. Fetzner, Jr. (2005-05-09). "Family Cambaridae Hobbs, 1942". Crayfish Taxon Browser. Carnegie Museum of Natural History. 
  2. A. Braband, T. Kawai & G. Scholtz (2006). "The phylogenetic position of the East Asian freshwater crayfish Cambaroides within the Northern Hemisphere Astacoidea (Crustacea, Decapoda, Astacida) based on molecular data" (abstract). Journal of Zoological Systematics and Evolutionary Research 44 (1): 17–24. doi:10.1111/j.1439-0469.2005.00338.x. 

External links

  • Media related to Cambaridae at Wikimedia Commons

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