Macrobrachium-rosenbergii, commonly known as the giant river prawn, is a species of freshwater prawn found widely throughout tropical and subtropical regions of the world. It is a large prawn, with adults typically reaching a length of up to 15 cm. Its exoskeleton is a deep red color with white stripes along its body and dark spots on its legs. The giant river prawn inhabits shallow, slow-moving or stagnant waters, such as lakes, streams, rivers, ponds, and canals. This species is an important food source for people in many parts of the world, and is widely cultured in many parts of Asia. It is also a popular aquarium fish, kept both in home and public aquariums.