A.K.A. Giant River Prawn or Giant Freshwater Prawn, is a commercially important species of palaemonid freshwater prawn. It is found throughout the tropical and subtropical areas of the Indo-Pacific region, from India to Southeast Asia and Northern Australia. The giant freshwater prawn has also been introduced to parts of Africa, Thailand, China, Japan, New Zealand, the Americas and the Caribbean. It is one of the biggest freshwater prawns in the world and is widely cultivated in several countries for food.