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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 carinirostris is moderate sized, with a mean total carapace length of 29.1 millimetres (1.15 in) reported. Dorsally, it is brown or beige, with crimson borders on the abdominal terga. while the ventral surfaces and pereiopods are cream or white in color.
Big Sandy crayfish are opportunistic omnivores, as they eat both living and dead plants and animals available in their habitats.They act as an important link in the food chain of their ecosystem, as they eat a wide variety of decaying and living small organisms and are then eaten by predators including mammals, sport fish, reptiles, birds, and amphibians.
Cambarus hamulatus, the prickly cave crayfish, [1] [2] is a freshwater crayfish native to Tennessee and Alabama in the United States. It is a cave-dwelling species known from 40 caves across its range.
Cambarus cryptodytes, the Dougherty Plain cave crayfish or Apalachicola cave crayfish, is a small, freshwater crayfish endemic to Florida and Georgia in the United States. It is an underground species known only from waters associated with the Floridan aquifer .
Cambarus gentryi, the linear cobalt crayfish, [2] is a small species of burrowing crayfish. One of 115 species in the genus Cambarus , [ 3 ] it is notable for its deep blue carapace . [ 4 ] It is endemic to Tennessee in the United States.
Cambarus loughmani, the blue Teays mudbug, [1] is a species of burrowing crayfish endemic to the pre-glacial Teays River Valley in West Virginia. [1] The species was previously considered to be part of the Cambarus dubius complex.
Cambarus reburrus, the French Broad crayfish, is a species of crayfish in the family Cambaridae. It is endemic to North Carolina. [1] [2] [3] [4]