Pug: The pug is a breed of dog originally from China, with physically
distinctive features of a wrinkly, short-muzzled face and curled tail.
The breed has a fine, glossy coat that comes in a variety of colors,
most often light brown or black, and a compact, square body with
well-developed muscles.Pugs tend to get along well
with other dogs and are sturdy enough to get along with children. They
enjoy company and can be quite affectionate. True to their grouping,
they are good companion dogs.Though Pugs can be very friendly and loving, they can become aggressive when not properly socialized.
Aggression in Pugs is often manifested in barking, lunging, nipping, or
growling. ... Pugs may also demonstrate aggressive behavior in response
to being left alone in an attempt to make their unhappiness known. Pugs are also known to be great family dogs and are very playful and affectionate with children.