The Australian redclaw crayfish, an aggressive crustacean native to northern Australia and Papua New Guinea, has been spotted in South Texas.

Recent research has focused on understanding the ecology of crayfish, particularly in relation to invasive species management and the effects of these invaders on native species and habitats.

The researchers detailed their discovery in the journal Zootaxa last week. Though crayfish—also called crawdads or crawfish—may not be everyone’s idea of the perfect animal companion ...

The hunt for invasive “murder hornets” is over in Washington and the rest of the U.S. after three years without confirmed detections, state and federal officials said Wednesday. “It is a ...

Had the boats not been inspected, all of those mussels would have been introduced into Washington's waterways. Invasive species, like zebra and quagga mussels, reproduce quickly and are a real ...

WASHINGTON— In response to a petition from the Center ... The Fish and Wildlife Service is also adding two genera of mussels and an invasive crayfish to the list of injurious species that are ...

The Washington Department of Fish and Wildlife has a special four-legged employee tasked with sniffing out invasive species ... have natural predators such as crayfish, waterfowl, and certain ...