The Shar-Pei is a type of dog breed known for its deep wrinkles and blue-black tongue. The breed originates from southern China. As puppies, Shar-Pei have numerous wrinkles, but as they mature, these loosen and spread out as they 'grow into their skin'. The Shar-Pei was named in 1978 as one of the world's rarest dog breeds by TIME magazine and Guinness World Records. Although the Shar-Pei has been identified as a basal breed that predates the emergence of the modern breeds in the 19th century, the American Kennel Club recognized it as their 134th breed only in 1992. color, and any Shar-Pei with a 'flower-coat' (white with either black or blue patches) is a disqualification. Amyloidosis, a long-term condition, is most likely related to FSF, caused by unprocessed amyloid proteins depositing in the organs, most often in the kidneys or liver, leading eventually to kidney failure.