Cambarus is a large and diverse genus of crayfish from the United States and Canada. The adults range in size from about 5 cm (2.0 in) up to approximately 15 cm (5.9 in).
The Everglades crayfish, 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. Its natural range is the area east of St. Johns River and all of Florida from Levy County and Marion County southwards, as well as on some of the Florida Keys. It is included on the IUCN Red List as a species of Least Concern. The blue crayfish is frequently kept in freshwater aquaria. In the wild, this species varies from brown-tan to blue, but an aquarium strain has been selectively bred to achieve a brilliant cobalt blue color.
Cambarus aculabrum is a rare species of cave-dwelling crayfish known by the common name Benton county cave crayfish. It is native to Arkansas in the United States, where it is known from only four locations. It is a federally listed endangered species of the United States.
Cambarus chaugaensis, the Chauga crayfish or Chauga River crayfish is a species of crayfish in the family Cambaridae. It is endemic to the Carolinas in the United States of America. The common and scientific names refer to the Chauga River of South Carolina, where the first specimens were collected.
Cambarus coosawattae, the Coosawattae crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Georgia. The common name refers to the Coosawattee River, with the original specimens being collected in the Cartecay River which combines with another river to form the Coosawattee.
Cambarus deweesae, the valley flame crayfish, is a species of crayfish in the family Cambaridae. It is found in Kentucky and Tennessee.
Cambarus howardi, the Chattahoochee crayfish, is a species of crayfish in the family Cambaridae. It is found in North America. The common name refers to the Chattahoochee River, where the first specimens were collected.
Cambarus nerterius, the Greenbrier cave crayfish, is a species of crayfish in the family Cambaridae. It is endemic to the state of West Virginia in the United States. It is found only in or immediately adjacent to caves in Greenbrier and Pocahontas counties, and is included on the IUCN Red List as a Near Threatened species.
Cambarus scotti, the Chattooga River Crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Alabama and Georgia. The common name refers to the Chattooga River. The original specimens were collected from Clarks Creek in Chattooga County.
Cambarus subterraneus, the Delaware County cave crayfish, is a species of crayfish in the family Cambaridae. It has been found only in three caves in Delaware County, Oklahoma.
Cambarus tartarus, the Oklahoma cave crayfish, is a species of crayfish in the family Cambaridae. It is endemic to two caves in Delaware County, Oklahoma in the United States.
Cambarus zophanastes, also known as the Hell Creek Cave Crayfish, is named for its original location of discovery, Hell Creek Cave. It is also found in other similar habitats in Stone County and Marion County, Arkansas. These habitats include springs and caves such as Nesbitt Spring Cave in Stone County. C. zophanastes is critically endangered according to the IUCN. C. zophanastes is also protected by the ESA as an endangered species. Currently conservation efforts focus on monitoring populations, reducing disturbances, and monitoring water quality. More research has to be conducted to better understand and conserve the species.
Cambarus hubrichti is a species of decapoda in the family Cambaridae. The species goes by the common name Salem cave crayfish.
Cambarus monongalensis, the blue crayfish or Monongahela crayfish, is a species of burrowing crayfish native to Pennsylvania and West Virginia. The common name refers to the Monongahela River, with the first specimens being collected from Edgewood Park, Allegheny County, Pennsylvania. It is included on the IUCN Red List as a species of Least Concern.
Cambarus jonesi, the Alabama cave crayfish, is a small, freshwater crayfish endemic to Alabama in the United States. It is an underground species known only from 12 caves.
Cambarus speleocoopi, the Sweet Home Alabama cave crayfish, is a small, freshwater crayfish endemic to Marshall County, Alabama in the United States. It is an underground species known only from 4 caves.
Cambarus laconensis, the Lacon Exit cave crayfish, is a small, freshwater crayfish endemic to northern Alabama in the United States. It is an underground species known only from a single cave along the southern border of the Highland Rim in the southern Appalachians.
Cambarus tenebrosus, the cavespring crayfish, is a freshwater crayfish native to Alabama, Kentucky, Tennessee, Ohio and Indiana in the United States. It is a facultative cave-dwelling species known from 84 caves over its range and 20 surface locations in the Cumberland Plateau.
Lacunicambarus ludovicianus, the painted devil crayfish, is a species of North American burrowing crayfish found in the Lower Mississippi drainage and in eastern and central Texas, Alabama, Kentucky, Missouri, and Oklahoma.
