Thai Ridgeback

Dog

The Thai Ridgeback 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 opposite direction to the rest of the coat. The other two are the Rhodesian Ridgeback and the Phu Quoc Ridgeback.

http://en.wikipedia.org/wiki/Thai_Ridgeback