Small pets are like pocket pets. They are small and furry. The most popular small animal is a hamster. But there are many others that are good. Mabey you like. We have included over three dozen pet possibilities (including cats and dogs) No, I am here at the " Pet Selector" because I want to select the pet that's best for me. . Others want a pet with a greater physical presence. Small Medium Large. Selecting the small pet that's right for your home is no small feat. Get the scoop on 10 Span: Five to 10 years. Best For: Children of any age; a great "starter" pet.