I currently have a 35 gallon Hexagon aquarium with 4 angels, 2 silver dollars, 2 bala sharks, and 1 pleco. I know that I am overstocked, so I am getting a used 55 gallon aquarium to move the silver dollars, bala sharks, and pleco into until I can afford a 125 gallon tank. I am ok to keep the 4 angels in the 35 gallon hexagon? Thanks for any help you can give.