''Cambarus subterraneus'', the Delaware County cave crayfish, is a species of

crayfish Crayfish are freshwater crustaceans belonging to the clade Astacidea, which also contains lobsters. In some locations, they are also known as crawfish, craydids, crawdaddies, crawdads, freshwater lobsters, mountain lobsters, rock lobsters, mu ...

in the family Cambaridae. It has been found only in three caves in

Delaware County, Oklahoma Delaware County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 41,487. Its county seat is Jay. The county was named for the Delaware Indians, who had established a village in the area prior to the ...

. The

IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

conservation status of ''Cambarus subterraneus'' is "CR", critically endangered. The species faces an extremely high risk of extinction in the immediate future. The IUCN status was reviewed in 2010.

References

Further reading