Went down last weekend for a stab at whatever was about.
Caught 2 undersized flatties quickly enough (one comically so!), then noticed a veritable carpet of nice sized mullet swamp the place. Water was fairly shallow and clear, and they were just holding place against the runout tide, surrounding the jetty. There was no room for other fish. Couldn't see bottom anywhere.
They wouldn't take the pillies or prawns I had, no matter how I presented them. I was about to pack up and go home, then saw some big flashes out where the bottom drops off into the channel. The mullet started going nuts, then one of the big boys came a bit closer and looked like a Jewie. So I tied on a sinker and a gang and optimistically cast out a whole pillie. Soon there were at least 3-4 nice sized jews (I'm 90% sure) carving up the mullet, but that's all they wanted to eat. And I couldn't catch one for bait as I had no bread or anything else they wanted.
So, donuts. But I won't go there without bread/dough again, that's for sure. Don't mind a feed of mullet, even if the jews don't show.