Big ideas need room ndash with its capacity of 450 litres the rio 400 has that in spades 50 cm wide standing 66 cm tall and with four lamp lighting the rio 400 is the largest aquarium in the rio ranger large fish and even the most demanding of marine species will be right at home in the rio 400 the safety base frame ensures especially safe positioning and allows you to set up your aquarium easily with no need for special supportsr painstaking workmanship from germany top quality mater