Chihuahua
Seeing this breed at the top of the list probably conjures up a very specific image. Often nicknamed the "little devil," the Chihuahua may seem adorable—especially when it's asleep—but it may not be the best choice for households with young children.
Naturally territorial and attention-seeking, the Chihuahua can be surprisingly aggressive and stubborn, especially if it feels threatened in its position.
Rottweiler
Rottweilers are well-known for their large size and their ability to herd livestock. Their natural courage and loyalty to their owners often make them protective, which can intimidate strangers and sometimes lead to aggressive behavior.
While they can get along well with children, it's important to closely supervise their interactions, as a Rottweiler might misinterpret rough play as a genuine threat.
