Aquariums bring a sense of serenity and beauty to any room. From dentist offices to living rooms and bedrooms, aquariums have been known to help with the relief of stress and even insomnia. Whether you are watching exotic freshwater fish or saltwater fish swim from one side of the tank to the other or witnessing the graceful movements of brightly colored freshwater tropical fish as they feed, fish are extremely enjoyable to watch. While some marine hobbyists don't mind the maintenance of a saltwater tank, other aquarists prefer the simplicity of maintaining a freshwater tank as there are many species of freshwater aquarium fish that are delightful to observe, such as Angelfish, Kissing Gouramis, Cichlids, Tetras, Mollies, Bettas, Swordtails, Platies and Goldfish. When starting out, it's imperative to learn which species of freshwater aquarium fish can cohabitate together to ensure a peaceful and comfortable place for your fish to thrive. Meanwhile, you should always take the size of your freshwater tropical fish into consideration when selecting the size of your freshwater aquarium, as some species require more space than others. Take advantage of the freshwater fish specials offered on PETCO.com and add the charm and beauty of exotic freshwater fish to your home!