''Procambarus connus'', the Carrollton 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, ...

in the family

Cambaridae The Cambaridae are the largest of the four families of freshwater crayfish, with over 400 Species. Most of the species in the family are native the United States east of the Great Divide and Mexico, but fewer range north to Canada, and south to ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...

to the area around Carrollton, in

Carroll County, Mississippi Carroll County is a county in the U.S. state of Mississippi. As of the 2020 census, the population was 9,998. Its county seats are Carrollton and Vaiden. The county is named for Charles Carroll of Carrollton, the last surviving signatory of th ...

. It is listed as

Data Deficient A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation status to be made. This does not necessarily ...

on the

IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...

References

Cambaridae Natural history of Mississippi Freshwater crustaceans of North America Taxonomy articles created by Polbot Crustaceans described in 1978 Taxa named by Joseph F. Fitzpatrick Jr. {{Crayfish-stub