The Definition of an Aquarium is: An aquarium (plural: aquariums or aquaria) is a vivarium of any size having at least one transparent side in which water-dwelling plants or animals are kept and displayed.
Jeanne Villepreux-Power was the fisrt Marine Bioligist to create Aquiria (aquarium) to study marine fish in her lab.
Now and Days most Aquariums are used as display or even tourist attractions (sea world). Aquiriums are still used by scientists around the world to study fish, and different water dwelling animals.
Why Would you want an aquarium?