Search results
Results from the WOW.Com Content Network
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.
The Big Sandy crayfish, Cambarus callainus, are freshwater crustaceans of the family Cambaridae. They are found in the streams and rivers of Appalachia in Virginia , West Virginia , and Kentucky , in what is known as the Big Sandy watershed. [ 4 ]
Cambarus aculabrum is a rare species of cave-dwelling crayfish known by the common name Benton county cave crayfish. [4] [5] It is native to Arkansas in the United States, where it is known from only four locations. [5] It is a federally listed endangered species of the United States. [2] [3]
Cambarus bartonii is a species of crayfish native to eastern North America, where it is called the common crayfish [3] or Appalachian brook crayfish. [2]Cambarus bartonii was the first crayfish to be described from North America, when Johan Christian Fabricius published it under the name Astacus bartonii in his 1798 work Supplementum entomologiae systematicae. [4]
Cambarus carinirostris, the rock crayfish, [2] is a species of crayfish in the family Cambaridae. It is found in the mid-Atlantic region of the United States. [3] [4]
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.
The Cambaridae are the largest of the four families of freshwater crayfish, with over 400 species. [1] Most of the species in the family are native to the United States east of the Great Divide and Mexico, but fewer range north to Canada, and south to Guatemala and Honduras. Three live on the island of Cuba.
Cambarus obeyensis, the Obey crayfish, is a species of crayfish in the family Cambaridae. It is found in North America. [2] [3] [1] The IUCN conservation status of Cambarus obeyensis is "CR", critically endangered. The species faces an extremely high risk of extinction in the immediate future. The population is decreasing.