It’s crayfish season in Louisiana, but the Pacific Northwest is receiving all the crayfish spotlight. Researchers recently ...

For decades, the Signal Crayfish has been an ecological troublemaker. It is invasive and widespread across Europe, Asia and ...

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 crayfish were reportedly intended for Chinese nationals living in the country, and experts warn that their introduction could disrupt Malawi’s aquaculture ecosystem. Invasive species and ...

Learn how to build your own crayfish trap with this easy, step-by-step DIY guide. Perfect for beginners and seasoned outdoors enthusiasts alike, this method is simple, effective, and budget-friendly.

Every system in their bodies follows a distinct ... Losing a claw or neural function without the ability to regenerate would leave crayfish at a major disadvantage. Without regrowth, injuries ...

The culprit? The rusty crayfish—a voracious, fast-spreading species that’s now officially been confirmed east of the Continental Divide for just the second time. According to Colorado Parks ...

According to a press release from Colorado Parks and Wildlife, the rusty crayfish was located in the West Fork Little Thompson River in northern Colorado. Described as "an aquatic nuisance species ...

PRESENTER:'Ella has P.E. today, and her circulatory system is going to have some exceptional challenges to overcome.' BOTH:Bye mum! PRESENTER:'We are going to follow the action in extreme detail.' ...

Circulatory system: Blood vessels Laid end-to-end, an adult's arteries, veins and capillaries would stretch for about 100,000 miles - enough to wrap around the world nearly four times.