For decades, the Signal Crayfish has been an ecological troublemaker. It is invasive and widespread across Europe, Asia, and parts of the United States. Recently, researchers at the University of ...

The Okanagan Crayfish (Pacifastacus okanaganensis) has been newly described from interior British Columbia and Washington State. Another new species, the Misfortunate Crayfish (Pacifastacus ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. When a team of scientists studying the brightly colored and common ...

Two new species of crayfish have been identified in the Pacific Northwest region of North America, and researchers say both species are vulnerable to extinction. One of those crayfish is called the ...

Something incredibly bizarre is going on right now in the world of crayfish, and it all started back in 1995. A single female slough crayfish spontaneously spawned an entirely new species thanks to ...

A global invasion is underway. A 10-legged mutant crayfish is on the march throughout the world. They’re all female. They don’t need males to fertilise their eggs. And they’re proving remarkably ...

WELLINGTON: Giant freshwater crayfish, up to 25cm long, once roamed New Zealand's ancient lakes around 20 million years ago, three times the size of today's native species, a new study has revealed.