Spawning and larval rearing research on King George whiting (Sillaginodes punctata) relevant to aquaculture and fisheries biology
After southern bluefin tuna, King George whiting is the most important fish species in South Australia. This species attracts a high market price on local and interstate markets and has biological attributes which suggest that is has good potential as a candidate for aquaculture. To allow commercialisation of this species, there is an immediate need to commence research to control egg production and conduct larval rearing trials to expose and solve culture problems so that a valid assessment of this species can be provided to aquaculturalists and investors.
FRDC funded research on the reproductive biology of wild King George whiting has identified a need to determine the spawning frequency of individual fish to get accurate estimates of fecundity.
There is a need to recognise that aquaculture is the only way to increase production of small volume coastal fisheries, such as that for King George whiting, without increasing fishing pressure on natural populations.
There is a need to develop aquaculture of coastal marine finfish species as an option which has potential to allow commercial fishers to diversify and reallocate effort to reduce pressure on wild stocks.
Final report
Spawning and larval recruitment processes of commercially important species in coastal waters off Victoria
Development of the aquaculture capability of the brown tiger prawn (Penaeus esculentus)
Final report
In order to provide for future growth of the Australian prawn aquaculture industry, there is a need to take a longer-term strategic view and develop production technology for alternative species that can support an export market but do not have the intense overseas competition of the current major species, P. monodon. This research project addresses the need for feasibility studies on farm production of an additional species that could be profitable in new or existing markets.
The strategic objective is to build on our current information to develop and test techniques for growing P. esculentus in a farm environment, and to quantify the commercial suitability of this species. The project is structured to demonstrate the growout and market potential of the species in pilot trials, to further develop and test an appropriate growout diet, to develop closed life cycle reproduction for future selective breeding and to evaluate the cost benefit of production of P. esculentus. The project commences the development of technology and assesses the potential for P. esculentus to become an additional species for Australian farm production.