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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 robustus, known generally as the robust crayfish or Big Water crayfish, [2] is a species of crayfish in the family Cambaridae. It is found in North America. [3] [4] [1] [5] The IUCN conservation status of Cambarus robustus is "LC", least concern, with no immediate threat to the species' survival. The population is stable.
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 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.
Juvenile Cambarellus patzcuarensis, about a week after being detached from their mother.The diameter of the cup is 8.9 centimetres (approximately 3.5 inches) and was used for this photo session only.
Lacunicambarus is a genus of burrowing crayfishes in the family Cambaridae.There are currently 12 described species in Lacunicambarus, all of which are found east of the Continental Divide in North America.
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 acuminatus was first described in 1884 by Walter Faxon, then a curator of the Invertebrate Department of the Museum of Comparative Zoology (MCZ) at Harvard University, using specimens collected in 1877 from the Saluda River near Greenville, South Carolina by ichthyologist David Starr Jordan and a student named Alembert Brayton. As was ...