Scientists have described a new species of colorful crayfish—and it might already be sitting in your aquarium. The ...

To learn more, they turned to the crayfish. Crayfish (also known as crawfish and crawdads) are freshwater crustaceans that ...

The Black Creek crayfish is colorful, with a black carapace, a white or yellow dorsal stripe and a rust-colored abdomen with black stripes. The species occupies a small range in the lower St. Johns ...

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 ...