Scientists have described a new species of colorful crayfish—and it might already be sitting in your aquarium. The researchers detailed their discovery in the journal Zootaxa last week.

New Yorkers looking to find an elusive blue crayfish will have to travel, albeit not far. Cambarus monongalensis are native ...

A new critter is creeping into the United States' waters. The invasive Australian redclaw crayfish has been spotted in southern Texas, roughly 8,000 miles from its home. The freshwater ...

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 ...

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 ...