A spawning closure on the reefs they spawn on for a couple of months Phill is the go, considering there brood stock doesnt do anything for the average punter or a pro out to put 500kg onboard in a night, fisheries are in charge of making the big decisions, as for identifying the bitches the mega ugly ones seem to be males much more often or at least have no eggs, thats an observation of mine with no scientific evidence, the males must play some importance in the whole thing to ay??