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 ...

Senior author Roger F. Thoma told McClatchy News he was hired with a group of other biologists to conduct species surveys in the Ocoee River Gorge ahead of potential construction on Route 64 in 2011.