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The genus Cambarus is the second largest freshwater crayfish genus inhabiting the Northern Hemisphere, with only sixty fewer species than the genus Procambarus. [2] Though Cambarus are varied across species, the two terminal elements that make up the male form I gonopod form ninety degree angles with the central appendage, allowing for their identification.
Cambarus monongalensis, the blue crayfish [2] or Monongahela crayfish, [1] is a species of burrowing crayfish native to Pennsylvania and West Virginia. [2] [3] [4] It has also been found recently in Ohio. [5] The common name refers to the Monongahela River, with the first specimens being collected from Edgewood Park, Allegheny County ...
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.
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The Cambarellus diminutus, known as the Least Dwarf Crayfish, is in the subgenus Pandicambarus of the genus Cambarellus, [4] this animal is typically 1–2 cm in size [5] and an omnivore that typically feeds on anything but should be fed a diet of sinking pellet.
The Hell Creek Crayfish lacks pigment in its body and does not have eyes. It reaches an overall body length of 2.5 to 3.0 inches. [3] It has a convergent rostrum, which is the beak-like shell located between the crayfish's eyes. [5] Its areola is narrow, and if a cervical spine is present, it is very small.
The Guyandotte River crayfish (Cambarus veteranus) is a species of crayfish found in a small stream system in Wyoming County, West Virginia, US. They are closely related to the Big Sandy crayfish ( C. callainus ), and until recently, the two were thought to belong to the same species.
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.