If you are planning to purchase an aquarium for your home or for your office, you might be interested in the customized aquariums. There are many people who are skeptical about such aquariums and prefer to purchase the ones that are available in the market. Each type of aquarium has its own pros and cons and you will have to analyze which aquarium will be suitable for you and for the fish you plan to keep. For instance, if you plan to keep different types of fishes in your tank, then you must go for the customized ones. You will be in a better position to increase the surface area of the tank that will ensure effective exchange of oxygen from tank to the air. If you are really serious about breeding the fish in your tanks then you must order for the tanks that are tall. It will give you a better opportunity to raise more fish in one tank. You must learn that different fishes like to live in different depth levels. Therefore if you plan to keep different species in your tank then tanks with sufficient height should be preferred. You can get more information on internet as well regarding how to keep your fish in a customized tank.