%22%3E%3Ccircle%20cx%3D%2232%22%20cy%3D%2232%22%20r%3D%2213%22%20fill%3D%22%23D9C3A0%22%2F%3E%3Cpath%20d%3D%22M32%2032L42%2023.6A13%2013%200%200%201%2042%2040.4Z%22%20fill%3D%22%236E7B8B%22%2F%3E%3Ccircle%20cx%3D%2232%22%20cy%3D%2232%22%20r%3D%225%22%20fill%3D%22%231C1C1C%22%2F%3E%3Ccircle%20cx%3D%2228%22%20cy%3D%2228%22%20r%3D%222%22%20fill%3D%22%23F5F5F0%22%2F%3E%3C%2Fg%3E%3Cpath%20d%3D%22M4%2032Q32%208%2060%2032Q32%2056%204%2032Z%22%20fill%3D%22none%22%20stroke%3D%22%233B2A20%22%20stroke-opacity%3D%220.75%22%20stroke-width%3D%221.4%22%20stroke-linejoin%3D%22round%22%2F%3E%3C%2Fsvg%3E)
Dog pattern
Sectoral
Part of one iris a different colour from the rest (sectoral or split heterochromia); also the part-black 'snake eye' of eclipse leopard geckos, where only part of the eye is pigmented, as against the fully black eclipse eye (BLACK).
36 Dog breeds list Sectoral. It is in a club standard for 15 breeds. At least one club disqualifies it in 16 breeds.
Breeds whose standards accept Sectoral
| Breed | AKC | UKC | FCI | KC | KUSA |
|---|---|---|---|---|---|
| Alaskan Klee KaiEyes | Standard (“may be any color or combination of colors”) | Standard (“may be any color or combination of colors”) | No ruling | No ruling | No ruling |
| Australian ShepherdEyes | Standard (“including flecks”) | Standard (“including flecks”) | Standard (“including flecks”) | Standard (“including flecks”) | Standard (“including flecks”) |
| Border CollieEyes | Standard (“any eye color is acceptable”) | Standard (“a part of one, may be blue”) | Standard (“part of one or both may be blue”) | Standard (“part of one or both may be blue”) | Standard (“part of one or both may be blue”) |
| Cardigan Welsh CorgiEyes | Standard (“partially blue eyes ... permissible in blue merles”) | Standard (“partially blue eyes ... permissible only in blue merles”) | Standard (“blue flecked permissible only in blue merles”) | Standard (“blue flecked, permissible only in blue merles”) | Standard (“blue-flecked, permissible only in blue merles”) |
| Catahoula Leopard DogEyes | No ruling | Standard (“Eyes may be any color or combination of colors without preference”) | No ruling | No ruling | No ruling |
| CollieEyes | No ruling | Standard (“blue flecked”) | No ruling | No ruling | No ruling |
| DachshundEyes | Standard (“partial or wholly blue (wall) eyes are as acceptable as dark eyes (dapples)”) | No ruling | No ruling | No ruling | No ruling |
| DalmatianEyes | Standard (“Eye color is brown or blue, or any combination thereof”) | No ruling | Disqualifying (“partially blue coloured iris”) | No ruling | No ruling |
| Miniature American ShepherdEyes | Standard (“including flecks”) | Standard (“including flecks”) | Standard (“including flecks”) | Standard (“including flecks”) | Standard (“including flecks”) |
| MudiEyes | Standard (“partially blue eyes”) | No ruling | Standard (“For merle colours partially or solid, blue eye colour is not a fault”) | Standard (“partially or solid blue eye colour”) | Standard (“For merle colours partially or solid, blue eye colour is not a fault”) |
| Pyrenean ShepherdEyes | Standard (“partially ... blue eyes are acceptable only in merles”) | No ruling | No ruling | Standard (“flecked blue in merle coloured dogs”) | No ruling |
| Rough CollieEyes | No ruling | No ruling | Standard (“part of one or both”) | Standard (“part of one or both”) | Standard (“part of one or both”) |
| Siberian HuskyEyes | Standard (“parti-colored”) | Standard (“parti-colored eyes”) | Standard (“particoloured”) | Standard (“parti-colours”) | Standard (“parti-coloured”) |
| Smooth CollieEyes | No ruling | No ruling | Standard (“part of one or both”) | Standard (“part of one or both”) | Standard (“part of one or both”) |
| Yakutian LaikaEyes | Standard (“parti-eyed”) | No ruling | Standard (“blue segments on brown iris”) | Standard (“blue segments on brown iris”) | No ruling |
Breeds where Sectoral is a fault
| Breed | AKC | UKC | FCI | KC | KUSA |
|---|---|---|---|---|---|
| American Hairless TerrierEyes | No ruling | Fault (“eye with iris containing more than one color”) | No ruling | No ruling | No ruling |
| Bergamasco SheepdogEyes | No ruling | No ruling | Fault (“part of the iris blue”) | No ruling | Fault (“part of the iris blue”) |
| Bull TerrierEyes | No ruling | Fault (“partially blue eyes”) | Fault (“partly blue undesirable”) | Fault (“partly blue undesirable”) | Fault (“partly blue eye undesirable”) |
| ChihuahuaEyes | Fault (“two different colors within one iris”) | No ruling | No ruling | No ruling | No ruling |
| Miniature Bull TerrierEyes | No ruling | Fault (“partially blue eyes”) | Fault (“partly blue undesirable”) | Fault (“partly blue undesirable”) | Fault (“partly blue undesirable”) |
| Rat TerrierEyes | Disqualifying (“Any blue in the eye(s) is a disqualification”) | Fault (“eye with iris containing more than one color”) | No ruling | No ruling | No ruling |
| Tibetan SpanielEyes | Fault (“eyes with blue marks”) | No ruling | No ruling | No ruling | No ruling |
Breeds where Sectoral is disqualified or not accepted
| Breed | AKC | UKC | FCI | KUSA |
|---|---|---|---|---|
| Biewer TerrierEyes | Disqualifying (“blue flecks in the iris”) | No ruling | No ruling | No ruling |
| Boston TerrierEyes | Disqualifying (“any trace of blue”) | Disqualifying (“Any trace of blue in eyes”) | Disqualifying (“any trace of blue”) | Disqualifying (“any trace of blue”) |
| BriardEyes | Disqualifying (“spotted eyes”) | Disqualifying (“spotted eyes”) | No ruling | No ruling |
| BulldogEyes | Disqualifying (“parti-colored eye(s)”) | Disqualifying (“parti-colored eyes”) | No ruling | No ruling |
| Dogo ArgentinoEyes | Disqualifying (“any blue in the eyes”) | No ruling | No ruling | No ruling |
| French BulldogEyes | Disqualifying (“any traces of blue or green”) | No ruling | No ruling | No ruling |
| JagdterrierEyes | Disqualifying (“spotted eyes”) | No ruling | Disqualifying (“spotted eyes”) | No ruling |
| PomeranianEyes | Disqualifying (“blue flecked”) | No ruling | No ruling | No ruling |
| Poodle (Miniature)Eyes | No ruling | Disqualifying (“Any variation of blue eyes, including flecks”) | No ruling | No ruling |
| Poodle (Standard)Eyes | No ruling | Disqualifying (“Any variation of blue eyes, including flecks”) | No ruling | No ruling |
| Poodle (Toy)Eyes | No ruling | Disqualifying (“including flecks and marbling”) | No ruling | No ruling |
| Russian Tsvetnaya BolonkaEyes | Disqualifying (“partially blue eye(s)”) | No ruling | No ruling | No ruling |
| WhippetEyes | Disqualifying (“any portion of blue in the eye(s)”) | No ruling | No ruling | No ruling |
| XoloitzcuintliEyes | No ruling | Disqualifying (“flecks of blue in the eyes”) | No ruling | No ruling |