Yolk -- I can't tell you!
I don't know what SMB and BH would do in a pond. I have no experience on that combiination whatsoever! You'd think that those pods of young bullies are so vulnerable that the smallies could/would get them, but the smallies are not as effective a predator as LMB. I guess we would have to consider such an effort to be experimental. Wonder if anyone else has any observations?