A Border Collie monitors the kids as they play outside, herding them back when they stray. A Pug nestles into its owner’s lap as they catch a movie on cable. A Scottish Terrier chases the mice out of the garage. A Doberman Pinscher keeps a watchful eye as you take the trash out at night. There are about 400 recognized dog breeds in the world, and each possesses a unique personality. Though, one thing never changes: all dogs are man’s best friend.

From loyal companions to fierce protectors, the various dog breeds we’ve come to know and love have a significant impact on our lives.