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
| Measure | FCI | AKC | UKC | KC | CKC |
|---|---|---|---|---|---|
| Height at the withers, male | No ruling | over 76.2 cmunder 76.2 cmFault | over 76.2 cm | No ruling | over 76.3 cm |
| Height at the withers, female | No ruling | over 69.9 cmunder 69.9 cmFault | over 69.9 cm | No ruling | over 69.8 cm |
| Skull to muzzle | No ruling | 2 | No ruling | No ruling | 2 |
Conformation
| Form | FCI | AKC | UKC | KC | CKC |
|---|---|---|---|---|---|
| BiteScissors bite | No ruling | Standard (“Scissors bite preferred”) | Standard (“meet in a scissors or level bite”) | No ruling | Standard (“Scissors bite preferred”) |
| BiteLevel bite | Standard (“Incisors level (pincer bite, edge to edge)”) | No ruling | Standard (“meet in a scissors or level bite”) | Standard (“incisors level”) | No ruling |
| BiteReverse scissors bite | Alternate (“lower projecting beyond upper (reversed scissor bite)”) | No ruling | No ruling | No ruling | No ruling |
| BiteUndershot | No ruling | Alternate (“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 dentition | No ruling | No ruling | Standard (“A full complement of strong, white teeth”) | No ruling | No 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 setHigh | Standard (“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 sizeSmall | Standard (“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-set | Standard (“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 lengthShort | Standard (“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 shapeBlunt | Standard (“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 shapeSquare | Standard (“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 shapeSnipy | No ruling | Fault (“Fault - snipiness of the muzzle”) | No ruling | No ruling | No ruling |
| Head shapeSquare | Standard (“giving a square appearance when viewed from any point”) | No ruling | No ruling | Standard (“giving a square appearance when viewed from any point”) | No ruling |
| ToplineLevel | Standard (“Topline: Level”) | Standard (“the topline should be straight, level, and firm”) | No ruling | Standard (“Topline level and maintained whilst on the move”) | No ruling |
| Tail setHigh | Standard (“Set on high, and reaching to hocks”) | No ruling | No ruling | Standard (“Set on high, and reaching to hocks”) | No ruling |
| Tail carriageLow (hanging) | Standard (“hanging straight in repose”) | Standard (“hanging straight in repose”) | No ruling | Standard (“hanging straight in repose”) | Standard (“hanging straight in repose”) |
| Tail carriageCurled over the back | Fault (“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 lengthLong | Standard (“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 foot | Standard (“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-hocked | Fault (“cow hocks in mature adults is highly undesirable”) | No ruling | No ruling | Fault (“cow hocks in mature adults highly undesirable”) | No ruling |
| Neck lengthMedium | No ruling | Standard (“slightly arched, and of medium length”) | Standard (“neck is of medium length”) | No ruling | Standard (“slightly arched, and of medium length”) |
| ChestBroad | Standard (“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”) |
| ChestDeep | Standard (“Chest: Wide, deep and well let down between forelegs”) | Standard (“Chest wide, deep, rounded”) | No ruling | Standard (“Chest wide, deep and well let down”) | Standard (“Chest: Wide, deep, rounded”) |
| Tuck-upModerate | No ruling | Standard (“a reasonable, but not exaggerated, tuck-up”) | No ruling | No ruling | Standard (“a reasonable, but not exaggerated, cut up”) |
Markings
| Marking | FCI | AKC | UKC | KC | CKC |
|---|---|---|---|---|---|
| Chest patch | Fault (“Excessive white on body, chest or feet is highly undesirable”) | Alternate (“A small patch of white on the chest is permitted”) | No ruling | Fault (“Excessive white on body, chest or feet highly undesirable”) | No ruling |
| Socks | Fault (“Excessive white on body, chest or feet is highly undesirable”) | No ruling | No ruling | Fault (“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.
| Color or pattern | FCI | AKC | UKC | KC | KUSA |
|---|---|---|---|---|---|
| Fawn | Standard (“fawn”) | Standard (“Fawn”) | Standard (“silver fawn”) | Standard (“fawn”) | Standard (“fawn”) |
| Apricot | Standard (“Apricot”) | Standard (“Apricot”) | Standard (“apricot”) | Standard (“Apricot”) | Standard (“Apricot”) |
| Albino | Not recognized | Not recognized | Disqualifying (“Albinism”) | Not recognized | Not recognized |
| Patterns | |||||
| Brindle | Standard (“brindle”) | Standard (“Brindle”) | Standard (“dark fawn-brindle”) | Standard (“brindle”) | Standard (“brindle”) |
| Reverse brindle | Standard (“brindle”) | Standard (“Brindle”) | Standard (“dark fawn-brindle”) | Standard (“brindle”) | Standard (“brindle”) |
| Color or pattern | FCI | AKC | UKC | KC | KUSA |
|---|---|---|---|---|---|
| Brown | No ruling | Standard (“brown, the darker the better”) | Standard (“brown in color”) | No ruling | No ruling |
| Dark brown | Standard (“darker the better”) | Standard (“the darker the better”) | Standard (“the darker being preferred”) | Standard (“darker the better”) | Standard (“the darker the better”) |
| Hazel | Standard (“hazel brown, darker the better”) | No ruling | No ruling | Standard (“hazel brown, darker the better”) | Standard (“hazel brown, the darker the better”) |
| Color or pattern | FCI | AKC | UKC | KC | KUSA |
|---|---|---|---|---|---|
| Black | Standard (“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”) |
| Pink | No ruling | Fault (“Mask, ears, or nose lacking dark pigment”) | No ruling | No ruling | No 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
Sources
Each ruling comes from the club's published breed standard or color list.