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 study identifies the Okanagan and Misfortunate Crayfish as two new species, adding to a list of over 640 global crayfish species. The Signal Crayfish is native to the Pacific Northwest, but most ...

It’s crayfish season in Louisiana, but the Pacific Northwest is receiving all the crayfish spotlight. Researchers recently discovered two new species of the crustaceans: the Okanagan crayfish and the ...

These crayfish aren’t for eating. But they have won awards. To be more exact, efforts to conserve them have. You’ve likely never heard of the Jefferson County Crayfish before, but they were recently ...

These crayfish are larger, more aggressive, and reproduce more quickly than native species, leading them to dominate ecosystems and disrupt food webs. Rusty crayfish have a significant impact on ...

Researchers recently discovered two new crayfish species: the Okanagan crayfish and the misfortunate crayfish (Pacifastacus malheurensis). Because both species were previously thought to be signal ...