Yabbies are freshwater crustaceans native to Australia, specifically belonging to the species Cherax destructor. They are commonly found in rivers, lakes, and ponds, where they burrow into the mud and feed on organic matter. Yabbies are known for their distinctive blue-green color and can grow up to 15 centimeters in length. These creatures are popular in both recreational fishing and aquaculture. They are often used as bait for larger fish and are also enjoyed as a delicacy in various cuisines. Yabbies play an important role in their ecosystems by helping to recycle nutrients in the water.