Prawn farming is an expanding, high-value primary industry in coastal areas of Australia. Currently there are approximately 500 ha of farm ponds. The majority of prawn farms are in Queensland, but there are also farms in NSW, NT and WA with plans for expansion of the industry in all these states....

The origins of many stocks of fish are unknown. As juveniles, many fish are found in estuarine regions. After a period in these habitats they may leave estuaries for coastal reefs and shelf waters where they may be commercially fished. Currently, we do not know the proportion of...