I picked up an FX5 the other day for my 135gal tank. Paid $318 total, was on sale from $400 total. any way just thought i'd ask if this will be enough for this tank. in it are 2 uaru(2.5 inches), 6 gold severums(4-5 inches) and 11 green severums(1-1.5 inches.) If i were to keep all these fish in the tank untill adult hood, could this filter and tank support them all or is that too much? If too much, how many of them could i keep? i was hoping to keep at least the 2 uaru, 4 gold sevs and 4 green sevs. thanks.