Biologists are monitoring an Australian crayfish that surprisingly showed up in Texas, fearing it could threaten local ...

→'Giant' forest creature — kept in terrarium ... Check out our stories here. The male crayfish were a bit larger than the females, around 4.8 inches compared to 3.8 inches long, according ...

Tasmania's giant freshwater crayfish is the largest animal of its kind on the planet. Like many native species, it's threatened by encroaching humans.