''Procambarus niveus'' is a small, freshwater

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 ...

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 elsew ...

to Cuba. It is a

cave-dwelling A cave dweller, or troglodyte, is a human being who inhabits a cave or the area beneath the overhanging rocks of a cliff. Prehistory Some prehistoric humans were cave dwellers, but most were not (''see'' ''Homo'' and Human evolution). Suc ...

species known from only one cave, Cuevas de Santo Tomas, in the Sierra de los Organos mountains, Pinar del Río Province.

References

Cambaridae Cave crayfish Freshwater crustaceans of North America Crustaceans described in 1964 Endemic fauna of Cuba Taxa named by Horton H. Hobbs Jr. {{crayfish-stub