A crayfish plague has wiped out the majority of the native population in a Yorkshire river – although they are clinging on in its tributaries. Did you know with a Digital subscription to ...

A researcher was wading through a shallow stream in the Appalachian Mountains of Tennessee while conducting a survey for road ...

Forty-six crayfish collected in the Ocoee River Gorge in southern Tennessee are part of a new species, researchers said in a study. Photo from senior author Roger F. Thoma A researcher was wading ...