Black, black & tan, brown, blue/grey, gold (with optional white/tan markings)
A variant of Tibetan Mastiff (Canis lupus familiaris)
Representative Tibetan Mastiffphoto — a dedicated image of this exact morph isn't available yet.
Recognized colors include black, black-and-tan, brown, blue-grey, and shades of gold, frequently with tan points over the eyes and on the legs and sometimes a white chest spot.