The Chow Chow is a medium to large-sized dog breed known for its distinctive blue-black tongue.
The Chinese Shar-Pei is a breed with loose, wrinkled skin and a unique blue-black tongue.
The Thai Ridgeback is a medium-sized dog breed originating from Thailand. They have a smooth coat and a characteristic ridge of hair along their back.
The Eurasier is a medium-sized dog breed with a thick, medium-length coat. They have a calm and friendly temperament and may have a bluish-black tongue.
While Dalmatians are known for their distinctive spotted coat, some individuals within the breed may also have blue spots on their tongues.