From the Latin "vivere", to live - which means that technically every aquarium - as well as every terrarium and aqua-terrarium - is a vivarium. I like to consider that vivariums are more for those who want to invest in tropical plants which are kept under natural conditions such as the added use of a fogger or misting system. These types of enclosures are great for dart frogs or day geckos! Prices start at $100 and up. Please email for a quote.