Are you thinking of re-homing all of the fish currently in the 240 then? If so, you could have quite a few, but will soon become over-run with babies. If it's with the fish currently in the tank then 0, as they will either be eaten or poisoned within a day.
Not right now this very second...but as they grow the filter will not be able to cope with the levels of ammonia that need breaking down. Ammonia will build up, you will continue to bury your head in the sand, and then your fish will begin to die from ammonia poisoning. FACT.
Only the danios and the corys will fit in your smaller tanks. And they will not be the ones ultimately causing the problems. You know, considering all the advice you've been given on other topics your ignorance astounds me