Most Aggressive Dogs Breeds
1. Rottweiler
2. While the Rottweiler’s reputation for aggression is slightly unfair, it is a breed of dog that has the potential to be aggressive. The dog’s upbringing is key – a well-trained Rottweiler with an experienced owner can be a placid and loving dog, but this isn’t a breed for novices.
2. Chihuahua
A classic example of small dog syndrome, the Chihuahua has a tiny body but a big attitude. Regular unpredictable bouts of aggression are not uncommon, meaning they are not a good choice for families with small children.

Read also: The most quiet breeds of adorable dog least likely to bark and growl
3. Chow Chow
The huge Chow Chow is another dog that should only be considered by experience dog owners. It is a breed that has a dominant personality which can turn to aggression to assert that dominance.
4. German Shepherd
Aggression isn’t always a bad thing in a dog – the German Shepherd’s temperament means that it excels as a forces dog, police dog and guard dog. While it’s not a dog to get on the wrong side of, if the aggression is channelled in the right way it can be a great pet that is sure to protect its beloved family.
5. Dachshund
Ask any Dachshund owner and they will confess that their adored pup isn’t always the easiest pet to have in the house. Sausage Dogs are notoriously badly behaved and are not averse to turning to snarls, growls and nips if they aren’t getting their own way.
6. Akita
The Akita is essentially Japan’s equivalent of the German Shepherd – commonly used as police and guard dogs. Again, it’s important to make sure its natural aggression is put to good use.
7. Siberian Husky
The Siberian Husky has been bred to pull sleds over miles of frozen tundra. If they aren’t kept busy then their excess energy can spill over into aggression. In short, this isn’t the dog for you if you don’t have plenty of time to exercise them and keep them mentally stimulated.
8. Dobermann
Dobermanns are usually fiercely loyal to their owners but that can also result in signs of aggression to strangers. Early socialisation is a must with this muscular breed.
9. Rhodesian Ridgeback
Originally bred to protect cattle from lions in their native Africa, it’s perhaps not surprising that the Rhodesian Ridgeback still retains an aggressive streak. They are another breed particularly likely to show aggression towards people they don’t know.
10. Rough Collie
The elegant Rough Collie probably isn’t what most people think of as being an aggressive dog. It came as a surprise to researchers from the University of Helsinki when they carried out a survey of 9,000 dog owners and found that this breed topped the table.
By David Hepburn
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