[["The Chow chow is a breed of dog that has a black tongue, but many other breeds can occasionally exhibit this feature", 42.0], ["Chow Chow, Chinese Shar-Pei, Miniature Shar-Pei, Eurasier, Thai Ridgeback, Phu Quoc Ridgeback are breeds with blue-black tongue.", 2.0]]
what is a black tongue dog
animals,puppy,dogs