ELY: The U.S. Fish and Wildlife Service is considering naming two crayfish species found in southern West Virginia as endangered.
One species, the Big Sandy crayfish, is found in several streams and rivers in McDowell and Mingo counties, as well as in Kentucky and Virginia.
The other, the Guyandotte River crayfish, is found in a small stretch of the upper Guyandotte River in Wyoming County.
Both species are already considered threatened, particularly from fossil fuel extraction, erosion and sedimentation, highway construction and off-road vehicle use.
The presence of the two species of crayfish normally indicates good water quality, the Fish and Wildlife Service said.
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