The idea of returning Murray crayfish to the river in South Australia is not new. Two University of Adelaide ecologists, the late Keith Walker and Mike Geddes, first suggested it in the 1990s.

A new critter is creeping into the United States' waters. The invasive Australian redclaw crayfish has been spotted in southern Texas, roughly 8,000 miles from its home. The freshwater crustacean ...

Texas Parks and Wildlife aquatic biologists track a Texas invader, the Australian redclaw crayfish. Newbie anglers discover the outdoors through a mentored fishing program. Chef Davis Turner of ...

Australian freshwater blueclaw crayfish Bleckdraco CC BY-NC-SA 2.0 Giant freshwater crayfish, longer and bulkier than today’s species, roamed New Zealand 20 million years ago. They would have ...