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Classification F.C.I:
Group 2: Pinscher and Schnauzer - Molossoid breeds - Swiss Mountain and Cattle Dogs and other breeds.
Section 2.1: Molossoid breed – Mastiff type
Origin: Great Britain
Name in Great Britain: Bullmastiff
Utilization: Watch dog
Working Trial: Championship, independent
General Appearance: Powerful build, symmetrical, showing great strength, but not cumbersome, sound and active
Characteristics: Powerful; enduring, active and reliable.
Temperament: High spirited, alert and faithful.
Head and Skull: Head broad and deep. Skull large and square, viewed from every angle, fair wrinkle when interested, but not when in repose. Circumference of skull may equal height of dog measured at top of shoulder. Stop pronounced. Muzzle short; distance from tip of nose to stop approximately one third of length from tip of nose to center of occipital, broad under eyes and sustaining nearly same width to end of nose; blunt an cut off square, forming right angle with upper line of face, and at same time proportionate with skull. Nose broad with widely spreading nostrils; flat neither pointed nor turned up in profile. Under jaw broad to end. Flews lips not pendulous, never hanging below level of lower jaw.
Eyes: Dark or hazel, of medium size, set apart the width of muzzle with furrow between. Light or yellow eyes highly undesirable.
Ears: V-shaped, folded back, set on wide and high, level of occiput giving square appearance to skull which is most important. Small and deeper in color than body. Point of ear level with eye when alert. Rose ears highly undesirable.
Mouth: Level desired but slightly undershot allowed but not preferred. Canine teeth large and set wide part, other teeth strong, even and well placed.
Neck: Well arched, moderate length, very muscular and almost equal to skull in circumference.
Body: Back short and straight, giving compact carriage, but not so short as to interfere with activity. Roach and sway backs highly undesirable.
Forequarters: Chest, wide and deep, well let down between forelegs, with deep brisket. Shoulders muscular, sloping and powerful, not overloaded. Forelegs powerful and straight, well boned, set wide apart, presenting a straight front. Pasterns straight and strong.
Hindquarters: Loins wide and muscular with fair depth of flank. Hind legs strong and muscular, well developed second thighs, denoting power and activity, not cumbersome. Hocks moderately bent. Cow hocks highly undesirable.
Feet: Well arched, cat like, with rounded toes, pads hard. Dark toe nails desirable. Splayed feet highly undesirable.
Tail: Set high, strong at root and tapering, reaching to hocks, carried straight or curved, but not found fashion. Crank tails highly undesirable
Gait/Movement: Movement indicates power and sense of purpose. When moving neither front nor hind legs should cross or plait, right front and left rear leg rising and falling at same time. A firm back line unimpaired by powerful thrust from hind legs denoting a balanced and harmonious movement.
Coat: Short and hard, weather resistant, lying flat to body. Long, silky or woolly coats highly undesirable.
Color: Any shade of brindle, fawn or red; color to be pure and clear. A slight white marking on chest permissible. Other white markings undesirable. Black muzzle essential, toning off towards eyes, with dark markings around eyes contributing to expression.
Size and weight: High at withers: Dogs, 63,5-68,5 cm. Bitches, 61-66 cm. Weight: Dogs 50-59 kg. Bitches 41-50 kg.
Faults: Any departure from the foregoing points should be considered a fault and the seriousness with which the fault should be regarded should be in exact proportion to its degree.
Note: Male animals should have two apparently normal testicles fully descended into the scrotum.

THE PERFECT ANIMALS