Known for their distinctive blue-black tongue, Chow Chows are medium-sized dogs with a thick double coat and a dignified appearance.
This ancient breed has a unique wrinkled skin and a blue-black tongue. They are known for their loyalty and independent nature.
Originally from Thailand, these dogs have a blue-black tongue and a short coat that comes in various colors.
With a calm and friendly temperament, Eurasiers have a blue-black tongue and a thick, medium-length coat that comes in different colors..
Similar to the Shar-Pei mentioned earlier, this breed also has a distinctive blue-black tongue.