You obviously have no idea what you are talking about. I used a 55 gallon tank as a growout for my silver arowana and it outgrew it in less than three months. And most plecos will eventually put grow a 40 gallon too. So would most cichlids.gouramiguy09;2629972; said:catfish,cichlids,gourami,arowana and deffo get about 2 big plec
I suggest a pair of rams or convicts. Or if you're looking for something different, a couple of dwarf puffers are pretty cool too (they can get pretty aggressive though, so don't overdo it).