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 a 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.
Orconectes is a genus of cave dwelling freshwater crayfish, endemic to suitable habitats in the eastern United States. Surface dwelling species, formerly categorised here, were moved to Faxonius in 2017.
Astacoides is a genus of freshwater crayfish endemic to Madagascar. The first specimens were brought to Europe in 1839, and seven species are now recognised, most of which are considered as threatened on the IUCN Red List. They are large and slow-growing, and are threatened by habitat loss, overexploitation by local people and by spread of introduced non-indigenous marbled crayfish. They are only found in a relatively small part of the island, mostly in undisturbed upland areas. They belong to the Gondwana-distributed family Parastacidae, but their nearest relatives live in Australasia, there being no native crayfish in mainland Africa or India.
Procambarus brazoriensis, the Brazoria crayfish, is a species of crayfish which is endemic to Brazoria County, Texas. It is listed as an endangered species on the IUCN Red List.
Procambarus morrisi, the Putnam County cave crayfish, is a species of crayfish in the family Cambaridae. It is only known from the type locality, at the Devil's Sink, west of Interlachen, Putnam County, Florida, and is listed as critically endangered on the IUCN Red List.
Procambarus nigrocinctus, the blackbelted crayfish, is a species of crayfish in the family Cambaridae. It is listed as a species of Least Concern on the IUCN Red List, because it is known from more than 100 sites across thirteen counties in Texas, where it is endemic to the Neches River system, and is common and widespread in a national park.
Procambarus texanus is a species of crayfish in the family Cambaridae. It is only known from a fish hatchery near Smithville, Bastrop County, Texas. and is listed as Data Deficient on the IUCN Red List.
Cambarus bartonii is a species of crayfish native to eastern North America, where it is called the common crayfish or Appalachian brook crayfish.
Barbicambarus cornutus is a species of crayfish found only in the Barren River and Green River systems of Tennessee and Kentucky. It is one of the largest crayfish in North America, reaching lengths of up to 9 inches (230 mm), and its antennae are distinctive in being fringed. Although it was first described in 1884, it was not seen again until the 1960s. The species is sometimes called the bottlebrush crayfish.
Faxonella is a genus of crayfish from the Southern United States from Texas to Florida. It comprises the following species:
Bouchardina is a genus of North American crayfish, containing a single species, Bouchardina robisoni, commonly known as Bayou Bodcau crayfish which is named after Henry W. Robison, one of the scientists who found it. It can be found in the bayou basins of southwestern Arkansas, United States. It is not considered to be significantly threatened as its habitat has low human disturbance; it is listed as data deficient on the IUCN Red List, S1 by the Nature Conservancy and by NatureServe as G2 (imperiled) and by the American Fisheries Society as vulnerable.
Fallicambarus is a genus of crayfish in the family Cambaridae from the United States and Canada. It includes 12 species, of which one is on the IUCN Red List as a vulnerable species (VU) and one as an endangered species (EN). The species of this genus are all restricted to three states or fewer, from Texas and Oklahoma east to Florida.
Procambarus zonangulus, the white river crawfish, white river crayfish or southern white river crayfish, is a species of freshwater crayfish.
Lacunicambarus acanthura, the thornytail crayfish, is a species of crayfish in the family Cambaridae. It is found in the southeastern United States.
Barbicambarus is a genus of freshwater crayfish found in Tennessee and Kentucky in the United States. It comprises two species:
Faxonius alabamensis, the Alabama crayfish, is a species of freshwater crayfish that lives in Alabama, Mississippi and Tennessee.
Procambarus fallax is a species of crayfish in the genus Procambarus. It lives in tributaries of the Satilla River in Georgia and Florida. It is the closest relative to the parthenogenetic marbled crayfish, Procambarus virginalis.
Procambarus natchitochae, or the Red River creek crayfish, is a crayfish native to the Red River basin and Bayou Teche in Texas, Louisiana, and Arkansas. Its distribution is given by the IUCN here, whereas a slightly different Louisiana map is provided in the "Crawfishes of Louisiana", which excludes Bayou Teche P. natchitochae has a distribution of approximately 46,000 km2.
Faxonius erichsonianus is a species in the family Cambaridae ("crayfishes"), in the order Decapoda. A common name for Faxonius erichsonianus is reticulate crayfish. Faxonius erichsonianus is found in the south eastern United States of America.
