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Procambarus is a genus of crayfish in the family Cambaridae, all native to North and Central America. It includes a number of troglobitic species, and the marbled crayfish ( marmorkrebs ), which is parthenogenetic .
About 70%–80% of crayfish produced in Louisiana are Procambarus clarkii (red swamp crawfish), with the remaining 20%–30% being Procambarus zonangulus (white river crawfish). [12] Despite the large-scale production in Louisiana, most frozen crayfish available in supermarkets in other states are Chinese imports.
The marbled crayfish or Marmorkrebs (Procambarus virginalis) is a parthenogenetic crayfish that was discovered in the pet trade in Germany in 1995. [4] [5] Marbled crayfish are closely related to the "slough crayfish", Procambarus fallax, [6] which is widely distributed across Florida. [7] No natural populations of marbled crayfish are known.
About 70–80% of crayfish produced in Louisiana are Procambarus clarkii (red swamp crawfish), with the remaining 20–30% being Procambarus zonangulus (white river crawfish). [52] Optimum dietary nutritional requirement of freshwater crayfish, or crayfish nutrient specifications are now available for aquaculture feed producers [53]
Procambarus clarkii, known variously as the red swamp crayfish, Louisiana crawfish or mudbug, [3] is a species of cambarid crayfish native to freshwater bodies of northern Mexico, and southern and southeastern United States, but also introduced elsewhere (both in North America and other continents), where it is often an invasive pest.
Procambarus alleni ( Faxon , 1884) [ 3 ] The Everglades crayfish [ 2 ] ( Procambarus alleni ), sometimes called the Florida crayfish , the blue crayfish , the electric blue crayfish , or the sapphire crayfish , is a species of freshwater crayfish endemic to Florida in the United States.
Procambarus acutus, the white river crayfish, is a species of crayfish in the family Cambaridae. It is found in North America and Europe. [3] [4] [1] [5] The IUCN conservation status of Procambarus acutus is "LC", least concern, with no immediate threat to the species' survival. The IUCN status was reviewed in 2010.
Procambarus zonangulus, the white river crawfish, [4] white river crayfish [5] or southern white river crayfish, [1] [6] is a species of freshwater crayfish. It is a distinct but closely related species from Procambarus acutus , which is also known as white river crayfish and has a wider range.