How long do fancy Mouse live for?

Answer 1

The "official" answer is one year, but that's only if you feed it a poor diet of store-bought food. I fed my mouse a mixture of brown rice, oats, and vegetables (a variety, just depends on what the mouse will eat...like my mouse didn't like tomatoes but he loved spinach and other things). Sometimes I gave him cereal pieces like bran flakes or cheerios. He lived to be over two years old. It's all about diet!

Answer 2

1 to 2 years.