United Pet Club

Mastiff breed standards compared

Each column is one club's published standard. An empty cell means the club says nothing on that point in our records.

Clubs compared: FCI, AKC, UKC, KC, CKC.

Size

Size
MeasureFCIAKCUKCKCCKC
Height at the withers, maleNo rulingover 76.2 cmunder 76.2 cmFaultover 76.2 cmNo rulingover 76.3 cm
Height at the withers, femaleNo rulingover 69.9 cmunder 69.9 cmFaultover 69.9 cmNo rulingover 69.8 cm
Skull to muzzleNo ruling2No rulingNo ruling2

Conformation

Conformation
FormFCIAKCUKCKCCKC
BiteScissors biteNo rulingStandard (“Scissors bite preferred”)Standard (“meet in a scissors or level bite”)No rulingStandard (“Scissors bite preferred”)
BiteLevel biteStandard (“Incisors level (pincer bite, edge to edge)”)No rulingStandard (“meet in a scissors or level bite”)Standard (“incisors level”)No ruling
BiteReverse scissors biteAlternate (“lower projecting beyond upper (reversed scissor bite)”)No rulingNo rulingNo rulingNo ruling
BiteUndershotNo rulingAlternate (“a moderately undershot jaw should not be faulted”)Alternate (“A moderately undershot bite is permissible”)Alternate (“lower projecting beyond upper but never so much as to become visible”)Alternate (“a moderately undershot jaw permissible”)
DentitionFull dentitionNo rulingNo rulingStandard (“A full complement of strong, white teeth”)No rulingNo ruling
Ear carriageDrop (pendant)Standard (“lying flat and close to cheeks when in repose”)Standard (“They should lie close to the cheeks when in repose”)Standard (“The ears lie close to the head”)Standard (“lying flat and close to cheeks when in repose”)Standard (“lie close to the cheeks when in repose”)
Ear setHighStandard (“set on at highest points of sides of skull”)Standard (“set widely apart at the highest points on the sides of the skull”)Standard (“set widely apart at the highest points on the side of the skull”)Standard (“set on at highest points of sides of skull”)Standard (“set widely apart at the highest points on the sides of the skull”)
Ear sizeSmallStandard (“EARS: Small, thin to touch”)Standard (“Ears small in proportion to the skull”)Standard (“The ears are small, V-shaped”)Standard (“Small, thin to touch, wide apart”)Standard (“Ears: Small, V-shaped, rounded at the tips”)
Eye setWide-setStandard (“Moderate size, wide apart”)Standard (“Eyes set wide apart, medium in size”)Standard (“small, and set wide apart”)Standard (“Moderate size, wide apart”)Standard (“Set wide apart, medium in size”)
Muzzle lengthShortStandard (“Muzzle: Short, broad under eyes”)Standard (“Muzzle short, broad under the eyes”)Standard (“The muzzle is short (one-third the length of the entire head)”)Standard (“Muzzle short, broad under eyes”)Standard (“Muzzle: Short, broad under the eyes”)
Muzzle shapeBluntStandard (“truncated, i.e. blunt and cut off squarely”)Standard (“Truncated, i.e. blunt and cut off square”)Standard (“The end of the muzzle is blunt and square”)Standard (“truncated, i.e. blunt and cut off squarely”)Standard (“Truncated - i.e., blunt and cut off square”)
Muzzle shapeSquareStandard (“blunt and cut off squarely”)Standard (“blunt and cut off square”)Standard (“The end of the muzzle is blunt and square”)Standard (“blunt and cut off squarely”)Standard (“blunt and cut off square”)
Muzzle shapeSnipyNo rulingFault (“Fault - snipiness of the muzzle”)No rulingNo rulingNo ruling
Head shapeSquareStandard (“giving a square appearance when viewed from any point”)No rulingNo rulingStandard (“giving a square appearance when viewed from any point”)No ruling
ToplineLevelStandard (“Topline: Level”)Standard (“the topline should be straight, level, and firm”)No rulingStandard (“Topline level and maintained whilst on the move”)No ruling
Tail setHighStandard (“Set on high, and reaching to hocks”)No rulingNo rulingStandard (“Set on high, and reaching to hocks”)No ruling
Tail carriageLow (hanging)Standard (“hanging straight in repose”)Standard (“hanging straight in repose”)No rulingStandard (“hanging straight in repose”)Standard (“hanging straight in repose”)
Tail carriageCurled over the backFault (“end pointing upwards, but not over back, when dog is excited”)Fault (“but never over the back when the dog is in motion”)Fault (“but never carried over the back when dog is in action”)Fault (“but not over back, when dog is excited”)Fault (“but never over the back when dog is in action”)
Tail lengthLongStandard (“reaching to hocks, or a little below them”)Standard (“reaching to the hocks or a little below”)Standard (“reaching to or little below the hock”)Standard (“reaching to hocks, or a little below them”)Standard (“reaching to the hocks or a little below”)
FeetCat footStandard (“Large, round and tight. Toes well arched”)Standard (“Feet large, round, and compact with well arched toes”)Standard (“The feet are large, rounded and compact”)Standard (“Large, round and tight. Toes well arched”)Standard (“Feet: Heavy, round and compact with well-arched toes”)
HocksCow-hockedFault (“cow hocks in mature adults is highly undesirable”)No rulingNo rulingFault (“cow hocks in mature adults highly undesirable”)No ruling
Neck lengthMediumNo rulingStandard (“slightly arched, and of medium length”)Standard (“neck is of medium length”)No rulingStandard (“slightly arched, and of medium length”)
ChestBroadStandard (“Chest: Wide, deep and well let down between forelegs”)Standard (“Chest wide, deep, rounded”)Standard (“The chest is well rounded, wide and well let down”)Standard (“Chest wide, deep and well let down”)Standard (“Chest: Wide, deep, rounded”)
ChestDeepStandard (“Chest: Wide, deep and well let down between forelegs”)Standard (“Chest wide, deep, rounded”)No rulingStandard (“Chest wide, deep and well let down”)Standard (“Chest: Wide, deep, rounded”)
Tuck-upModerateNo rulingStandard (“a reasonable, but not exaggerated, tuck-up”)No rulingNo rulingStandard (“a reasonable, but not exaggerated, cut up”)

Markings

Markings
MarkingFCIAKCUKCKCCKC
Chest patchFault (“Excessive white on body, chest or feet is highly undesirable”)Alternate (“A small patch of white on the chest is permitted”)No rulingFault (“Excessive white on body, chest or feet highly undesirable”)No ruling
SocksFault (“Excessive white on body, chest or feet is highly undesirable”)No rulingNo rulingFault (“Excessive white on body, chest or feet highly undesirable”)No ruling

Mastiff colors and patterns

What each club's breed standard says about every Mastiff color and pattern. Point at a ruling to see the club's own wording.

Breed standards describe the Mastiff in Fawn and Apricot. Standard patterns: Brindle and Reverse brindle.

Coat: rulings by club
Color or patternFCIAKCUKCKCKUSA
FawnStandard (“fawn”)Standard (“Fawn”)Standard (“silver fawn”)Standard (“fawn”)Standard (“fawn”)
ApricotStandard (“Apricot”)Standard (“Apricot”)Standard (“apricot”)Standard (“Apricot”)Standard (“Apricot”)
AlbinoNot recognizedNot recognizedDisqualifying (“Albinism”)Not recognizedNot recognized
Patterns
BrindleStandard (“brindle”)Standard (“Brindle”)Standard (“dark fawn-brindle”)Standard (“brindle”)Standard (“brindle”)
Reverse brindleStandard (“brindle”)Standard (“Brindle”)Standard (“dark fawn-brindle”)Standard (“brindle”)Standard (“brindle”)
Eyes: rulings by club
Color or patternFCIAKCUKCKCKUSA
BrownNo rulingStandard (“brown, the darker the better”)Standard (“brown in color”)No rulingNo ruling
Dark brownStandard (“darker the better”)Standard (“the darker the better”)Standard (“the darker being preferred”)Standard (“darker the better”)Standard (“the darker the better”)
HazelStandard (“hazel brown, darker the better”)No rulingNo rulingStandard (“hazel brown, darker the better”)Standard (“hazel brown, the darker the better”)
Nose: rulings by club
Color or patternFCIAKCUKCKCKUSA
BlackStandard (“Black”)Standard (“always dark in color, the blacker the better”)Standard (“always dark, the blacker the better”)Standard (“muzzle, ears and nose should be black”)Standard (“Black”)
PinkNo rulingFault (“Mask, ears, or nose lacking dark pigment”)No rulingNo rulingNo ruling

What the rulings mean

Standard
Described by the club's breed standard.
Fault
Named by the club's breed standard as a fault: the animal can be shown but is penalized.
Disqualifying
The club's breed standard disqualifies an animal of this color or pattern.
Not recognized
The club does not accept this color or pattern for the breed.

Color changes

How a Mastiff's colors can change over its life.

  • Blackchanges toSnow nose

    Nose · With the season · can change back

  • Blackchanges toPink

    Nose · With the season · can change back

Published standards