Max ,what happens over there ,when somebody catches say 15 "in the South" and drives home , over the Swan River ,and gets "stopped" by Fisheries #???
Also , don't quite see the "competition" angle regards Bream, should in any way effect ,say 98% of RecFishos , who don't fish "competition" #???
23cms is tiny ,but over spawning-size , these next few months ,anybody would laugh at you ,if the fish weren't 30cms or so anyway.
The length is a min. legal length , the size any person wishes to keep them is their own business.