dog, (Canis lupus familiaris), domestic mammal of the family Canidae (order Carnivora). It is a subspecies of the gray wolf (Canis lupus) and is related to foxes and jackals. The dog is one of the two most ubiquitous and most popular domestic animals in the world (the cat is the other).
Explore 340 breeds and discover the perfect dog for your lifestyle. There are over 340 types of dog breeds, with the American Kennel Club recognizing 200 purebred dogs, divided into seven groups based on their original purpose.