what are the other types of these breed?
In the UK, American Pit Bull Terriers are sometimes advertised as Irish Staffordshire Bull Terriers
Staffordshire Bull Terrier
In the UK, American Pit Bull Terriers are sometimes advertised as Irish Staffordshire Bull Terriers 
when is a staffordshire bull terrier fully grown UNANSWERABLE what is staffordshire bull terrier? It is a British breed of short-haired terrier of medium size. can you describe its features? It is a stocky, muscular and unusually strong small to medium-sized dog that stands at the shoulder. It has a broad chest, strong shoulders, well-boned wide-set legs, a medium length tail that is carried low and a broad head with a short muzzle; its ears fold over at the tips and are not cropped. what kind of attitude does this breed display? They are considered loyal, courageous and affectionate, and are among the dog breeds recommended by the KC as suitable for families. They have a reputation for pugnaciousness, and when challenged by another dog it is characteristic of them to not back away. where did they originate from? The Stafford was developed in what was then considered the "black country" of Staffordshire and northern parts of Birmingham. what conditions are considered good for its health? UNANSWERABLE how is it recognised globally? It is recognised in the breed registries of various other kennel clubs, including the Fédération Cynologique Internationale, the American Kennel Club, Australian National Kennel Council, Canadian Kennel Club, Irish Kennel Club, New Zealand Kennel Club, and the United Kennel Club in the United States.
wiki:11739036
Staffordshire Bull Terrier [SEP] Irish Staffordshire Bull Terrier
In the UK, American Pit Bull Terriers are sometimes advertised as Irish Staffordshire Bull Terriers in an attempt to circumvent the Dangerous Dogs Act 1991. The appearance of the Irish Staffordshire, which is not recognised by any kennel club or breed registry, is attributed by the RSPCA to be contributing "to a rise in incidents of dog fighting". The editor of "Dogs Today" magazine described the breed as "complete fiction".