What's the Most Popular Pet?

pets, popular pets
Determining the most popular pet depends on what exactly you are looking for.
(Image credit: Puppy image via Mars Evis | Shutterstock)

Looks like dogs are still man's best friend …

According to a survey of American pet owners, more households have a Fido than any other furry (or not so furry) friend. By sheer numbers of each actual pet though, there are more Nemos swimming in American fish tanks (as people generally keep more than one fish) and more cats than dogs (as there are more multi-cat homes than multi-dog homes). 

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Andrea Thompson
Live Science Contributor

Andrea Thompson is an associate editor at Scientific American, where she covers sustainability, energy and the environment. Prior to that, she was a senior writer covering climate science at Climate Central and a reporter and editor at Live Science, where she primarily covered Earth science and the environment. She holds a graduate degree in science health and environmental reporting from New York University, as well as a bachelor of science and and masters of science in atmospheric chemistry from the Georgia Institute of Technology.