Been throwing around ideas for my 55 iv had running for a while and I kinda want just 1 big social fish, flowerhorn kinda stand out to me but I really don't know much about them, iv seen some sites say 55 Is plenty and other say not enough, also how messy are they? My canister crashed on my 55 so I'd rather go with 2 sponge filters so would I need more filtration? Decor? Or plain tank? Would appreciate pics of you guys flowerhorns! Would also take other fish suggestions!