National Kennel Club Inc®

An All-Breed Registry Since 1964

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Breed Standards for the Mastiff



General Appearance:

The massive Mastiff is heavy bones and with a        powerful musculature, being slightly longer than tall.




Muzzle short and broad, Eyes set wide, Head massive, good breadth, Ears proportionally small, V-shaped with rounded ends.




Set high, never carried over back.




Fawn, apricot, or brindle, all with dark muzzle, ears and nose.




Weight is 175 – 190 pounds;

Height:  Male min. 30 inches, Female min. 27.5 inches.




Innately good natured, calm, easygoing, and surprisingly gentle.  It is a well-mannered house pet but needs sufficient room to stretch out.

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