1. To undertake over a two year period an investigation of age, sexuality, reproduction, stock structure, and seasonal abundance of key target species threadfin salmon (Polydactylus sheridani), grunter (Pomadasys kaakan) and jewfish (Johnnius diacanthus) from the Queensland inshore gillnet fishery in eastern Gulf of Carpentaria waters.

2. To determine and compare within this time frame the geographic differences in life cycle details for the species on the major fishing grounds along the Queensland Gulf coast.

3. To develop a protocol for the long term monitoring of catches and fishing effort for these species on the eastern Gulf coast fishing grounds.

4. To make this information available for consideration in the review of the current Gulf Fishery Management Plan.