Mulloway numbers have declined, that's why they increased the size limit to 82cm a couple of years ago.
Long story short myself and S&H Tony B were invited by FRDC to attend a full day fisheries seminar/course around 4 years ago, that was being run in every state, anyway Professor Mehdi Doroudi (Executive Director Of Fisheries and Aquaculture; at that time) attended also and give him his dues he allowed us to ask him questions (one on one) during the lunch break and I asked him why doesn't the size limit of Mulloway down the Coorong meet their own requirements,
Size limi