The Staffordshire Bull Terrier, sometimes nicknamed as a Staff, is an English dog breed.It is a medium-sized dog- Originally, it was bred for dog fighting. It is related to the Bull Terrier. Its appearance is similar to the American Staffordshire Terrier and American pit Bull Terrier, but it is smaller than both of them. It grows to a wrist height of 12-17cm and a weight of about 11-17 kg.
In other countries, such as Germany, this dog breed is seen as problematic; these countries may have put restrictions in place regarding the breeding and keeping such dogs. The people keeping such dogs may need to undergo tests to determine whether they are allowed to keep them.