5 Gal Enough For A Betta Plus Corrys

[kizno1]

i think a male betta and 4 corys would be fine in a 5g. if its really well filtered and has lots of plants like you say you might be able to egt away with 6 at a squeeze.

 

[GuppyGoddess]

I'd just keep the betta in the 5-gallon by himself.