Some of the SMB I have been catching and transferring to my main 3 acre pond and my old pond. I target 6-12" sizes specifically for transfer by using small curly tail jig or a jig head with some tiny Gulp Alive waxies or maggots. Once in a while I will catch a bigger one on the small jigs.
Have transferred about 25 of this size of SMB so far this year. I have a BUNCH in this pond that come up to feed. Need to thin the herd.
While I was away a friend fished my main pond and among the catch was a SMB that weighed in over 4#. That would have been one that originally came from this pond and was transferred in a previous year. (I transferred some larger ones back then)
