The super invasive rusty crayfish, sometimes called a gladiator, has been slowly taking over several waterways in Pennsylvania. The crayfish were transported to Pennsylvania from their native ...

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.

The crayfish is proposed for threatened protection ... Minnesota, Missouri, New York, Ohio, Pennsylvania, Tennessee, West Virginia and Wisconsin. The Service is proposing 2,012 river miles in Indiana, ...

Rusty crayfish have a significant impact on Pennsylvania's waterways, outcompeting native crayfish, consuming various aquatic life, and even affecting fish populations. The Pennsylvania Fish and ...