In May 2022, biologists led by Dr. Matthew L. Niemiller reported the rediscovery of the Shelta Cave crayfish (Orconectes sheltae) at Shelta Cave for the first time since 1988.
In May 2022, biologists, led by Dr. Matthew L. Niemiller, found the Shelta Cave crayfish again at Shelta Cave after an eight-year absence since its last appearance in 1988.