Williams had also never seen a blue crayfish with orange claws, so he wanted to inspect the students’ discovery. He thought it could be a new species. Calloway and Mathes found another blue ...

A couple in Kentucky made a recent colorful discovery when they found a blue crayfish crawling around in their garage.Crystal Hash said her husband, Allen, found the colorful crayfish crawling in ...

GREENEVILLE, Tenn. — The Tennessee Wildlife Resources Agency is examining whether a blue crayfish found by Tusculum University students on campus is actually a new species. It could take up to ...

crayfish were introduced to Lake Tahoe more than a century ago. Over time, they've contributed to algae growth that's diminished the clarity of Lake Tahoe's storied clear blue waters. It's a major ...