The inhabitants of the 8fter eating some prawns, the larger ray is about 18 months old and is changing pretty quick. The MRC i've had for about 4 years now, JP about the same.
Lovin my JP too. Got him this year at 25cm.
Never had a Mary, but had plenty of Murrays, There's is a local breeder that stocks the dams around here with Murray cod, I was able to purchase 13 @ $2ea as was a $25 min. I grew them out in a 6x2x2 till they were to big and released them in to a river they occur naturally.