The Rat is a tiny-sized animal, described as friendly, intelligent, typically living 2–3 years.
Space, and what actually matters
Floor area matters less than layout. A tiny animal needs a settled spot out of the main walkway, and surfaces that give grip.
Planning for about 2 years
A Rat is with you for about 2 years. Budget and routine both need to survive that, including the last quarter of it when a tiny animal needs more veterinary attention than it did young.
Does your week fit this breed?
The honest test is not whether you want a animal, but who is responsible for it at seven in the morning on a weekday. A friendly tiny animal does not fill eleven empty hours quietly.
What “friendly” means day to day
The Rat is described as friendly, intelligent. Of those, friendly is the one that shapes an ordinary day most. It is easy to read as a selling point and harder to live with than the word suggests, because it does not switch off when you are busy.
Where people go wrong
Choosing on appearance and fitting the household around it afterwards. It works better the other way: decide the hours and the space you have, then ask whether a tiny animal fits them.
Balancing friendly against intelligent
Breeds described as both friendly and intelligent need the two managed together rather than separately. With a tiny animal that usually means a predictable routine first and training second - the routine is what makes the training stick.
Households this suits
Homes where someone is around for part of the day suit the Rat well. Families with children generally do, with supervision in the first fortnight.