Genus Cavia is a scientific name for the domesticated guinea pig. Guinea pigs are furry rodents that are commonly kept as pets. There are various synonyms for the Genus Cavia, including the common name of "cavies." Other synonyms include "Cavia porcellus" and "Cavia cobaya," which are used to refer to different breeds of the guinea pig. In addition, the term "Cavidae" is often used to encompass the entire family of guinea pig breed. Regardless of the name, guinea pigs make great pets for those who want furry companionship in a smaller package.