Researchers Baffled After Finding New Species of Crayfish Hiding Amongst Common Aquarium Pets for Over Two Decades Scientists have discovered a new species of colorful crayfish hiding in plain sight ...

A Cherax pulverulentus, or dusty crayfish, showing the “purple” coloring. Photo from Patoka, Akmal, Bláha and Kouba (2025) Researchers studied six of these crayfish, analyzed their DNA and qu ...

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.

Far from its home in Indonesia, a brightly colored creature moved around in an aquarium. Scientists peered into the tank, studying their pet-turned-specimen — and discovered it was a new species.