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

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 ...

while Everglades crayfish typically have brown or gray bodies. Color variations are common in crayfish, particularly blue, red, or orange. Everglades or Florida crayfish sometimes have blue ...