Nobody can deny that it has aggressive instincts. As long as they can be raised as family dogs. They can kill small animals like cats in seconds, they can even attack other pitbulls. The genetic similarity of bull breed dogs may make it difficult for experts to visually identify the breed, and while mixed breed dogs are often labelled a "pit bull" if they have certain physical characteristics such as a square shaped head or bulky body type, visual identification of mixed breed dogs is not recommended by the scholarly community. A review of the medical literature found that pit bulls and pit bull cross-breeds were involved in 42–45% of dog attacks. Fatalities were most often reported when children were attacked, with 70% of victims being under the age of 10. Origin: US; Weight: 30-55 lbs; Height: 18-22 inches.