Murray crayfish disappeared from South Australia sometime in the past 40 years. Targeted surveys over a five-year period couldn't find them anywhere in the state.

Murray crayfish once thrived in the southern Murray-Darling Basin. The species was found everywhere from the headwaters of the Murray and Murrumbidgee Rivers in the Australian Alps all the way down to ...

Murray crayfish were first released back into South Australia in winter 2023. It was a big moment for people who have long championed the species' return. A further 200 crayfish were released ...

Murray crayfish once thrived in the southern Murray-Darling Basin. The species was found everywhere from the headwaters of the Murray and Murrumbidgee Rivers in the Australian Alps all the way down to ...

An invasive crayfish species from Australia is posing a threat to the native crayfish species in the Rio Grande Valley, Texas officials warn. Screengrab from Texas Parks and Wildlife video There ...

BROWNSVILLE, Texas — Scientists in Texas are on high alert for an invasive species that could threaten native wildlife: an Australian crayfish that has appeared in the state’s resacas ...

Each Australian redclaw crayfish caught during the research project gets an identifying label. Aquatic biologists are tracking an invasive crayfish species native to Australia that’s turned up ...

We’ve got a new critter in Texas waters, but this one’s no mate of ours. The invasive Australian redclaw crayfish is making waves in Texas – and not in a good way. Texas wildlife officials ...