DNR officials say they discovered both live and dead invasive crayfish at a state hatchery and are taking steps to track the ...

The Michigan Department of Natural Resources, or DNR, has confirmed the presence of invasive red swamp crayfish in Van Buren County.

While the crayfish has been found in isolated pockets around Metro Detroit, DNR officials aren't sure how one could have invaded their own hatchery pond where they rear fish.

The Michigan Department of Natural Resources is attempting to figure out how an invasive crayfish entered a pond at one of ...

Unlike calico crayfish that are native to the Chicago area, red swamp crayfish come from the Southern U.S. They’re a big part of the food culture in Louisiana, where fishermen have been ...

A Cajun delicacy wreaks havoc up north Red swamp crayfish are native to the Mississippi River and Gulf of Mexico drainage systems in the south-central U.S., where they're boiled and shucked with ...

In red-swamp crayfish, even though the optimum temperature for egg hatching was found to be 25 °C, egg hatching could occur at temperatures as low as 7 °C.

The crayfish distributors were sent letters informing them that the red swamp crayfish being shipped was illegal under many jurisdictions. Among those distributors was Louisiana Crawfish Company.

It has been deemed ground zero for an invasive species that has been on the move in this part of Michigan since 2017. It is a retention pond in Novi, where red swamp crayfish have been out-eating ...

In this Wednesday, May 30, 2018 photo, American Crayfish lay in a container after the crab was captured at a small river in the Britzer Garden park in Berlin. (AP Photo/Markus Schreiber) ...