Fish aquarium is a fish care container that is generally made of glass. Fish aquarium is made with the aim to keep fish. Cichlasoma severum fish can be kept in an aquarium some steps that need to be considered when we are going to make a fish aquarium. The first step we have to know how much the length of the aquarium needs to be made. The length of the aquarium depends on what type of fish will be maintained in the aquarium. if we are going to maintain a long type of fish such as Arowana fish, the aquarium that is made must have a long size. The length of the aquarium to keep arowana fish between 1.2 - 2 m. second step we must measure the thickness of the glass to be used, if we will make an aquarium with a length of about 60-80 cm we can use a glass thickness of 5 mm. if we are going to make an aquarium with a length of about 1 - 1.2 m we can use glass with a thickness of 8 mm. third step after we know how long the aquarium needs and the thickness needs of the glass, t...