Madison cave isopod fact sheet

Facility
View from Roaring Plains
The U.S. Fish and Wildlife Service West Virginia Field Office works with others to conserve, protect and enhance fish, wildlife and plants and their habitats for the continuing benefit of the American people. Our office helps to recover threatened and endangered species, enforces federal fish,...
Program
A rocky shoreline of a river. The water is calm. Mist and green branches line the river.
The Ecological Services Program works to restore and protect healthy populations of fish, wildlife, and plants and the environments upon which they depend. Using the best available science, we work with federal, state, Tribal, local, and non-profit stakeholders, as well as private land owners, to...
Species
The Madison Cave isopod is an eyeless, unpigmented, freshwater crustacean. It belongs to a family that consists of mostly marine species and a small number of freshwater species. The species is the only member of its genus and is the only freshwater cirolanid isopod north of Texas. Its body is...
FWS Focus
FWS and DOI Region(s)