38 Dog Breeds With High Risk Factors Every Owner Should Understand

12. Canaan Presa dog breed

The Perro de Presa Canario, or Canary Mastiff, underwent breeding for herding and livestock protection. These dogs demonstrate muscularity, confidence, and possess reputations for intensity. Without proper training and socialization, they may become aggressive and dangerous. With strong, dominant personalities, the Presa Canario requires firm, experienced handling to become stable companions.