1. Rottweiler
Weight: 77-132 lbs; Height: 22-27 inches; Lifespan: 8-11 years
Rottweilers are widely popular among dog lovers, but they are one of the most aggressive dog breeds. They are obedient to their owners and are trustworthy guardians. But it's totally a different story when they meet strangers and other dogs. Never joke at them, or you'll regret it!
2. German Shepherd
Weight: 50-100 lbs; Height: 22-26 inches; Lifespan: 9-14 years
German Shepherds is undoubtedly an intelligent dog breed, and that's why they are chosen as a police dog breed. However, things can become messy when an offender keeps resisting. Without the owners' order, they are likely to be cruel killers.
3. Pit Bull
Weight: 30-60 lbs; Height: 17-22 inches; Lifespan: 8-16 years
Pit Bulls are known as an innately combative dog breed. They look intimidating and are powerful enough to kill all their enemies. Taming it in the incorrect way will make it a road hazard!
4. Husky
Weight: 35-66 lbs; Height: 20-24 inches; Lifespan: 12-15 years
By and large, Huskies are friendly and have peaceful traits so that they can serve as sled dogs. However, they also bear similarity to their wolf ancestors, which will become threats under certain circumstances.
5. Doberman Pinscher
Weight: 60-100 lbs; Height: 24-28 inches; Lifespan: 10-13 years
Many dog owners keep Doberman Pinschers as lifelong friends because of their loyalty. But their reaction is totally different from what they show to their owners. Give them a wide berth for your own good.
6. Chow Chow
Weight: 45-70 lbs; Height: 17-22 inches; Lifespan: 11-13 years
Don't let it's fluff fool you! The Chow Chow is an irritable dog known for its bad attitude. Though they may not be as dangerous as a Pit Bull, they do attack their owners or anyone else that happens to rub them up the wrong way.
7. Wolf Hybrid
Weight: 70-130 lbs; Height: 25-33 inches; Lifespan: 12-15 years
As the name suggests, half of this dog breed is wolf. Even with proper training and domestication, Wolf Hybrids still maintain much of the hunting instincts that come with their wolf genetics. This is why it is dangerous to keep them as pets.
8. Boxer
Weight: 50-71 lbs; Height: 20-25 inches; Lifespan: 10-12 years
Boxers are one of the top 10 most popular dog breeds. They are descended from hunting dogs and are known for their strong jaws, powerful bites and headstrong personality. If not properly raised, they can turn out very aggressive attackers.
9. Alaskan Malamute
Weight: 70-110 lbs; Height: 22-28 inches; Lifespan: 10-12 years
Powerful, energetic and active, the Alaskan Malamute can destroy anything around them and they can become aggressive if they get bored. Dogs of this breed should be watched carefully with other small pets and young children in the home.
10. Great Dane
Weight: 99-200 lbs; Height: 28-34 inches; Lifespan: 6-10 years
Great Danes are known to be one of the largest dog breeds ever domesticated. Although they have a low hunting instinct, their massive body weight and height make them an obvious threat to children and even adults.
11. Bullmastiff
Not aggressive by nature, the Bullmastiff can make great pets for families with older children if they are properly socialized and trained. But like the Great Dane, their large size makes them a questionable choice for families with small children.
12. Weimaraner
Originally bred as big-game hunting dogs, the headstrong and highly intelligent Weimaraners have boundless energy and easily excitable nature in the presence of small creatures, including your kids. They require gentle and consistent training to become a well-rounded dog.
13. Akita
Although they are loyal to their owners, Akitas tend to be overprotective and could be a danger to visitors and strangers. They are also happier when they are the only dog in their home. As with all dogs, proper training goes a long way to making an Akita the best it can be.
14. Saint Bernard
Not aggressive in nature, Saint Bernards are well-known search and rescue dogs and make a great companion. But due to their large size, they need good training. Otherwise, they can inadvertently harm seniors and children if they get knocked over by these massive dogs.
15. Dalmatian
This beautiful breed is not particularly well-suited to life with small children. Dalmatians can be headstrong, willful, and aggressive. They need consistent training and lots of exercises to stay happy. They are also highly sensitive but do not respond well to harsh treatment.
16. American Bandogge
The American Bandogge is a hybrid between the American Staffordshire Terrier and the Mastiff. Most of them have been bred for fighting and as such as they are strong and aggressive. Therefore, they make a poor choice for families.
17. Jack Russell Terrier
The Jack Russell Terrier is well-known to be an energetic dog breed that requires constant and structured training. Additionally, they do not tolerate rough play and have a tendency to bite kids to defend themselves. Therefore, they are not recommended for families with small children.
18. Chihuahua
Many people assume that the cute and small-sized Chihuahuas are the best breeds for children. In reality, they are very strong-willed and stubborn and have the tendency to become aggressive and jealous of little kids. So they make a poor choice for homes with children.
19. Shih Tzu
Like Chihuahua, the Shih Tzu is also a poor choice for young children because they are easily over excited and frightened which can lead them to bite children. They also require the constant presence of their masters as they easily develop separation anxiety if left alone.
20. Chinese Shar-Pei
Although The Chinese Shar-Pei looks very cute, it is particularly ill-suited for families with children as they tend towards an aggressive nature, have the potential for a myriad of health problems, and are particularly headstrong.
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