1) Dog landrace 2) FCI breed 
The Thai Ridgeback (ไทยหลังอาน, {RTGS|Thai Lang-An}) is an ancient breed of dog. The breed was formerly unknown outside of Thailand, but is gaining notice in the Western world. They are also known as a Mah Thai Lang Ahn. The Thai Ridgeback is one of only three breeds that has a ridge of hair that runs along its back in the oppo...