National Kennel Club Inc®

An All-Breed Registry Since 1964

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Breed Standards for the Spanish Mastiff



General Appearance:

The breed is longer than it is high




The big strong head is shaped like a truncated pyramid, broad at the base, and the medium sized; Triangular ears hang close to the head when at rest but are partially pricked at the top when attentive.  The ears are not cropped.




Solid colors are appreciated most, but combined colors, brindles or parti-colors are possible




Thick and dense




Height:  male:  30.5; female:  28.5”

Weight: 121-154 lb




An obedient guard, sure of itself, aware of its own enormous power, and very determined when facing harmful animals or strangers

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