Both tanks look to be way overstocked and the 55 has warm and cool water fish. Never really been into goldfish but I believe the rule of thumb is 20 gallons for one and 10 for each additional, so a 55 would be good for just the 4 of them, I’d suggest deciding which direction you want to go and rehoming the other fish. And that hexagon tank shouldn’t hold cichlids, bad footprint and I can’t see it being any bigger than 20 gallons and none of those cichlids should be in a tank that small