Australian Cattle Dog: Also called blue/red heeler. Blue coat, mottled or speckled. Black or tan markings. Hardy and versatile working dog
Kerry Blue Terrier: Unique curly blue coat, dark accents. Born black, coat changes to blue by 18 months through "clearing" process.
Weimaraner: Steely gray with dilute brown coat gene. Some have black dilute gene, becoming dark gray/blue. Blue-coated Weimaraners disqualified in shows.
Chihuahua: Small breed with various coat colors, including rare blue. Solid or combined with tan, white, fawn, or brown markings. Long-haired or short-haired Chihuahuas.
Bearded Collie: Shaggy coat, colors include blue. White markings on face, chest, legs, and tail. Body solid in color. Blue coat may darken and lighten as they mature
Boston Terrier: Tuxedo-like coat, usually black-and-white. Rare red or blue variation, but blue isn't AKC approved. Blue coat may be blue, silver, or gray.
Italian Greyhound: Graceful with long legs and petite body. Can have a blue coat due to dilute black gene, appearing dark gray with a blue cast.
Blue Lacy: Rare Texas breed, herding dog. Developed by Lacy brothers in 1800s. State dog of Texas. Blue coat with red, cream, or tricolor. Intelligent and great worker.
Neapolitan Mastiff: Giant breed with imposing frame and loose skin. Common blue coat, accepted in AKC breed standard. Also black, mahogany, and tawny with brindled appearance
Chinese Shar-Pei: Known for wrinkled skin, comes in various colors including blue. Allowed coat colors are solid or sable. Blue can range from light gray-blue to deep slate. Blue-black tongue in all coat colors.