Fish Tanks

What is the best chance the fish should survive, transferring the babies or the older fish into the new tank?

cgmcalli asked: We have a 55 gal. freshwater tank that has tropical community fish and semi-aggressive fish. One of our fish had babies a while ago and we were getting ready to transfer the babies into the new fish tank, 29 gal, but thought that some of the old fish would look better in [...]