Orconectes inermis

Orconectes inermis, the Northern cave crayfish, is a troglomorphic freshwater crayfish native to Kentucky and Indiana in the United States.^[1][2]

Northern cave crayfish
Conservation status
Least Concern  (IUCN 3.1)[1]
Secure  (NatureServe)[2]
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Decapoda
Suborder:	Pleocyemata
Family:	Cambaridae
Genus:	Orconectes
Species:	O. inermis
Binomial name
Orconectes inermis (Cope, 1872)

There are two sub-species described;

• Orconectes inermis inermis, known as ghost grayfish
• Orconectes inermis testii (Hay, 1891), known as unarmed crayfish

The two sub-species are known to form intergrades in the range where they overlap.^[2]