Giant freshwater crayfish, longer and bulkier than today’s species, roamed New Zealand 20 million years ago. They would have ...

The invasive Australian redclaw crayfish has been spotted in southern Texas, roughly 8,000 miles from its home. The freshwater crustacean is indigenous to the rivers of northern Australia and ...

TYLER, Texas — Texas constantly grapples with invasive species. Armored Catfish and the Lionfish are just two, but now a new unwelcome visitor is calling the Lone Star State home: The Australian Red ...

NASHVILLE, Tenn.— In response to a legal petition and lawsuit from the Center for Biological Diversity, the U.S. Fish and Wildlife Service today proposed to protect four freshwater mussels and a ...