Biologists are monitoring an Australian crayfish that surprisingly showed up in Texas, fearing it could threaten local ...

Yellow Mongoose (Cynictis penicillata) at the London Zoo. By Steven G. Johnson - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=11326536 ...

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 ...

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.

The crayfish was named Cherax rayko after the study author’s son, researcher Chris Lukhaup said in a Dec. 21 Facebook post, because “Rayko is a constant provider of love and he gives me energy ...