The Chow Chow is perhaps the most well-known breed with a blue-black tongue. They are a distinctive-looking breed with a lion-like mane and a unique blue-black tongue. Chow Chows are known for their aloof and independent personalities.
The Chinese Shar-Pei is another breed known for its blue-black tongue. They have loose, wrinkled skin and a distinctive "hippopotamus" face. Shar-Peis are loyal and protective dogs.
Thai Ridgebacks are a rare breed with a blue-black tongue. They are medium-sized dogs known for their unique ridge of hair along their back. They are loyal, independent, and can be reserved with strangers.
The Eurasier is a medium-sized breed that can have a blue-black tongue, although not all Eurasiers do. They are known for their friendly and calm demeanor.
Some Akitas may have black spots or patches on their tongues, giving the appearance of a blue-black tongue. Akitas are large and powerful dogs known for their loyalty and protective nature.
While not as common as in some other breeds, some Siberian Huskies may have spots or patches of blue-black pigmentation on their tongues. Huskies are known for their striking appearance and playful personalities.
The Australian Cattle Dog, also known as the Blue Heeler, is a breed that can have blue-black spots on its tongue. They are energetic and intelligent working dogs.
Dalmatians are known for their distinctive black spots, but some Dalmatians may also have black spots on their tongues. They are energetic and fun-loving dogs.