Chihuahuas are generally the smallest of the dog breeds. The breed standard lists no minimum weight. The standard weight required by The Chihuahua Club of America is 6 pounds or less, but many dogs are as heavy as 10 pounds or even a little more. Of course, The Chihuahua Club standard is a requirement for show dogs, but heavier are certainly OK. Extra small miniature Chihuahuas are often called “teacups” or “miniatures”, but there is no official standard recognition of these smaller dogs as a separate type. But, there is no minimum size for Chihuahuas either so an extra small dog can still meet the breed standard. The only official distinction within the breed for different types is long or short hair length.

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