Well, there's a plan B. Get a bigger tank! A 40G would work well I think.
On the other hand, some plants, and 3-4 additional white clouds would make a lovely and easy to maintain tank if you'd take the fantail back.
My 33 gallon/125 liter tank. My photography on flickr.
I have 2 black/dark convicts,
a Rio Grande Cichlid,
and a black shark, all pretty big.
My dad bou ...
We supply live Arowana fishes and many different
fish species, we have;
Red Asian Aro ...