Dogs have not always held a special place in the hearts of their human companions. Their work roles have been reduced, but their importance at their home has been increased. Dogs can decrease human loneliness and give them a sense of purpose as they care for their animal companions. But there are some aggressive dogs too. Let’s take a look at some top 5 aggressive dogs.


If your dog suddenly becomes aggressive they may have an injury or illness that’s ranging from boredom to malnutrition. Fear can also elicit sudden behavioral and temperament changes as aggression. Some aggressive behavior can be cured and some may not be, this can be of their age or it can be of their illness.


Origin: Germany

Great Dane

Great Danes are gentle giants. They are moderately playful, affectionate, and good with children. They get along with other animals, but some individuals in the breed can be aggressive. Anyone who wants a Great Dane has to accommodate this dog’s great size. A Great Dane must have room to move around and exercise especially when he is young. Great Danes dogs are susceptible to a condition known as bloat, which involves gas buildup and possible twisting of the stomach.

Bred for: Hunting boars, Guardian

  • Weight: Male: 54 – 91 kg(Adult) ; Female: 45 – 59 kg(Adult)
  • Height: Male: 32 inches; Female: 30 inches
  • Color: Black, Fawn, Blue, Black, Harlequin
  • Life span: 7 – 9 years
  • Cost: $600 – $3000


In 2019, almost 48 Great Dane dogs attack resulted in human death. 13 child victims (age 10 – 18) and 32 adult victims. The state of California had the greatest Dane dog bite fatalities in 2019 with death results of 9 people. In 2018, 36 Great Dane dogs attack resulted in the human death of 15 child victims and 21 adult victims. Even Great Dane has Killed women who rescued them.


Origin: the United States, United Kingdom

American Pit Bull

Most of the American pit bulls are fun-loving companions, gentle and patient with all their family members. Pit bull dogs are stubborn, tenacious, and fearless. Life with Pit bull is always Adventures. They must have a vigorous exercise period every day. They should be obedience trained. Pit bull dogs are not good with other dogs, they should be kept on a leash when around them.

Bred for: Fighting expertise

  • Weight: Male: 16 – 30 kg(Adult); Female: 14 – 27 kg(Adult)
  • Height: Male: 45 – 53 cm; Female: 43 – 50 cm;
  • Color: Black, White, Brindle, Fawn, Tan, Blue, Grey, Brown, Red
  • Life span: 8 – 15 years
  • Cost: $500 – $2000 Some costs even up to $20000


These dogs make up only 6% of the dog population, but they’re responsible for 68% of dog attacks and 52% of them resulted in human deaths. Pit bulls are not inherently aggressive, but in many cases, it suffers at the hands of irresponsible owners. Pitbull dog can be beaten up only Rottweiler dogs because of its strength, agility, and biteforce which is 328 psi. But Caucasian Mountain dog can kill pit bull because they grew four times bigger than pit bull dog.


Origin: Russia, Armenia, Soviet Union, Georgia, Azerbaijan, Circassia

Caucasian Mountain Dog

The Caucasian Mountain dog is also known as a Caucasian Shepherd dog, they are not inherently dangerous to people. However, they are a huge breed with immense strength. Caucasian shepherd dogs can make excellent family companions and it should be indoors with their humans as much as possible. Only with proper training, they can make loving family pets. These dogs are intelligent, but they are stubborn, independent nature can make them difficult to train. A female caucasian mountain dog gives birth only once in a year.

Bred for: Guard dogs, Bear hunting Dogs, and today they work as a prison guard in Russia;

  • Weight: Male: 50 – 110 kg(Adult); Female: 40 – 100 kg(Adult)
  • Height: Mlae: 72 – 80 cm; Female: 67 – 75 cm;
  • Color: Black, White, Fawn, Cream, Rust, Grey
  • Life span: 10 – 12 years
  • Cost: $1500 – $3000


Caucasian is a fierce proud dog, that would never back from a fight. They will stand up to a man and beast alike. A wolf is killed by a caucasian dog. Theoretically, it is said that OVcharka Caucasian Mountain Dog can kill a lion, but it would be an awfully long fight and a painful one on both sides.


Origin: South Africa


The Boerboels are Intelligent, Loyal, and confident. Owners must keep their dogs under control at all times because a Boerboels is capable of seriously injuring or killing virtually any other dog with ease. Regarded as being intelligent, Boerboels are the most trainable dog. Owing to a Boerboel is owing to a fearless companion that will give their lives to protect you and your loved ones and without a doubt, Boerboels are one of the strongest dog breeds in the World. 

  • Bred for: Working dog and Loyal companion
  • Weight: Male: 65 – 90 kg(Adult); Female: 59 – 65 kg(Adult)
  • Height: Male: 64 – 70 cm; Female: 59 – 6 cm;
  • Color: Black, Brindle, Piebald, Fawn, Cream, Mahogany, Brown, Red
  • Life span: 10 – 12 years
  • Cost: $1500 – $2500


Stories are told of the Boerboel killing and vanquishing lions in South Africa. Truthfully it is unlikely that a Boerboel would be able to kill a full-grown and healthy lion, however, they were strong and agile enough to handle the occasional leopard. A Boerboel can be both a capable working dog and a loyal companion.


Origin: Germany


Rottweilers are well known to be powerful, protective, and loyal, famous for their instinct for guarding. Owing a Rottweiler carries a great deal of responsibility and commitment and that it is not a dog for everyone. The Rottweiler is territorial and it is an extremely jealous animal. In its quest to protect its owner, it may inflict damage to other people. The Rottweilers are an extremely Dangerous breed in the last fifteen years, they are responsible for the second-highest serious dog attacks in the country

Bred for: Serve for Military and as Family Guardians

  • Weight: Male: 50 – 60 kg(Adult); Female: 35 – 48 kg(Adult)
  • Height: Male: 61 – 69 cm; Female: 56 – 63 cm;
  • Color: Black, Tan, Mahogany
  • Life span: 8 – 10 years
  • Cost: $1500 – $2500


Rottweilers are approximately ten times more to kill or mangle someone than the average dog. They are also more likely to kill other animals. Unlike some dogs, Rottweilers are just likely to attack children as adults. These dogs may attack a small child as prey or defend a child that is a stranger. Some owners are drawn to the Rottweiler because they want an imposing, and protective dog. Click here to see The Top 5 Ugliest animals in the world.




  • Living with an aggressive dog is not easy, but it’s not the end of the world, either.
  • When adopting a dog, Understand the importance of consistency in training and rules.
  • One effective and human way to avoid bad behavior is to simply withdraw your attention when your dog behaves in an undesirable way.
  • Before you have settled on the type of pet that will suit you ask for veterinary recommendations.








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    1. Wonderful information, “Belgian malinos” as well intelligent, agressive and active, for your information some of the indian breeds such as KOMBAI, RAJA PALAYAM, MANDAI are the agressive too…

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