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 ...

Genetic testing revealed that the crustacean was a new species now named the Ocoee crayfish, according to a study published April 1 in the peer-reviewed journal Zootaxa. Senior author Roger F.

Forty-six crayfish collected in the Ocoee River Gorge in southern Tennessee are part of a new species, researchers said in a study. Photo from senior author Roger F. Thoma A researcher was wading ...