There’s a wide range of animals that you can keep as a pet. I recently found a 10-gallon tank that I used to use for my small salamander as a kid, and it got me wondering what animals I could keep in it. While I found lots of cool options, I decided it's too small for any of the pets I'd want. So, I'll probably donate the 10 gallon tank or use it as a backup tank. However, I know there are a lot of people who want a pet but don’t want the tank to take up too much space. While