What are the fiercest 10 dogs in the world?

1, pit bull (bull terrier, USA). Also known as American Pitbull, it is a medium-sized dog with a strong body and short hair. It is a kind of pit bull with ancestors from England and Ireland. It has mastiff blood.

2. purebred tibetan mastiff, the strongest bulldog in China. Some people think that the mastiff (molosser) whose ancestors came from Central Asia is closely related to Caucasian dogs and is one of the world-class rare dog breeds. People who love Tibetan mastiff call it "Oriental God Dog". Purebred tibetan mastiff is very strong, his whole body is full of muscles, and his stomach is flat, not drooping.

3. Tosa fighting dog. Tosa fighting dog is a local dog "Shikoku Dog", Maeda Dog, Old English Mastiff, Bulldog and Bulldog, which has been popular in Shikoku (now Kochi Prefecture) since Meiji era. (Bull Terrier), Great Dane and other breeds of dogs mate with each other. Often only Tosa dogs (とさけん? とさぃぬ). Coat color: The standard color is red, brown mixed with gold and black.

Du Gao, Argentina. Also known as Argentine mastiff or Argentine Du Gao, its Latin name DOGO means bulldog in Spanish; It is a dog that is very adaptable to hot weather, but has no experience in cold weather. There is little difference between women and men. Generally, adults in the wild can reach 62-70 cm in height and 25-47 kg in weight. The training breed is 60-67 cm, weighing 23-37 kg, and it is a large dog.

5. Caucasian dogs. Mastiff originated in the Russian Caucasus, is a descendant of Central Asia, is one of the largest dogs in the world, and was regarded as a national treasure in the Soviet era. Adult dogs are about 64 to 72 centimeters tall and weigh about 45 to 70 kilograms. Long hair, rough outer layer, soft inner layer, strong physique, loyalty to the owner, strong guard instinct and great lethality. It is said that it is related to Tibetan mastiff.

6. Rothwell. Rottweiler, also known as Rottweiler, is a large dog breed originating in Germany and used as a sheepdog. Rottweiler was used as a dog in the early days and as a time guard dog in the war in World War I and World War II. Currently, they are often used as guard dogs and police dogs.

7. Italian watchdog Italian guard dog (Castello) originated in Spain, another famous fierce dog, with medium build, strong sense of balance, strong appearance and black patches.

8. Newpoliton (Dobbin). Newberyton is a fierce dog with a serious expression, strong and beautiful appearance. Early Du Binquan was born aggressive and aggressive.

9. Spanish bullfighting terrier. 19th century, belonging to type A, looks terrible and daunting. It has thick muscles and a strong chin. The fur is short and shiny, usually yellow with light or dark spots. Personality: independent and fierce.

10, German shepherd. German shepherd, also known as German shepherd, is a kind of dog. German shepherd dogs are very clever, ranking third in IQ of all dogs. They are agile and suitable for mobile working environment. They are often deployed in various tasks, such as police, security, search and rescue and military affairs. They also work as guide dogs for the blind.