Pacifastacus fortis is an endangered crayfish species endemic to Shasta County, California, where it is found only in isolated spots on the Pit River and Fall River Mills.
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.
Euastacus is a genus of freshwater crayfish known as "spiny crayfish". They are found in the south-east of the Australian mainland, along with another genus of crayfish, Cherax. Both genera are members of the family Parastacidae, a family of freshwater crayfish restricted to the Southern Hemisphere.
Cambarellus diminutus is a species of crayfish in the family Cambaridae. It is endemic to the United States. It is native to Mississippi and Alabama, and is listed as Data Deficient on the IUCN Red List.
Distocambarus is a genus of freshwater crayfish endemic to Georgia and South Carolina in the United States. It contains five species:
Hobbseus attenuatus, the Pearl riverlet crayfish, is a species of crayfish in the family Cambaridae. It is found in North America.
Hobbseus cristatus, the Crested Riverlet Crayfish, is a species of crayfish in the family Cambaridae. It is found in North America.
Hobbseus orconectoides, the Oktibbeha riverlet crayfish, is a species of crayfish in the family Cambaridae. It is found in North America.
Hobbseus petilus, the Tombigbee riverlet crayfish, is a species of crayfish in the family Cambaridae. It is found in North America.
Hobbseus valleculus, the Choctaw riverlet crayfish, is a species of crayfish in the family Cambaridae. It is found in North America.
Procambarus cometes, the Mississippi flatwoods crayfish is a species of crayfish in the family Cambaridae. It is endemic to Lowndes County and Oktibbeha County, Mississippi, and is listed as an endangered species on the IUCN Red List.
Procambarus delicatus, sometimes called the big-cheeked cave crayfish, is a species of crayfish in the family Cambaridae. It is endemic to the Ocala National Forest, Lake County, Florida.
Procambarus fitzpatricki, sometimes called the spinytail crayfish, is a species of crayfish in the family Cambaridae. It is endemic to southern Mississippi, between the Wolf River and the Pascagoula River, and is listed as a species of Least Concern on the IUCN Red List. It is the only species in the subgenus Procambarus (Acucauda).
Procambarus franzi, the Orange Lake cave crayfish, is a species of crayfish in the family Cambaridae. It is endemic to two caves in Marion County, Florida,
Procambarus lagniappe, the Lagniappe crayfish, is a species of crayfish in the family Cambaridae. It is endemic to Alabama and Mississippi, and is listed as Near Threatened on the IUCN Red List.
Procambarus morrisi 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 pogum, the bearded crayfish or bearded red crayfish, is a species of crayfish in the family Cambaridae. It is endemic to the Houlka–Tibbie Creek basin in Chickasaw County and Oktibbeha County, Mississippi, and is listed as Data Deficient on the IUCN Red List, having only been recorded once since its original description.
Procambarus rathbunae is a species of crayfish in family Cambaridae. It is endemic to Okaloosa County and Walton County, Florida, 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.
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.
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