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Unveiling the Breed Standard: A Breeder’s Guide to the Maine Coon

To the untrained eye, every Maine Coon is "big and fluffy." But for the preservationist, a Maine Coon is a precise architectural masterpiece. If you are founding a cattery, the Breed Standard is your North Star. You cannot improve what you cannot measure, and you cannot preserve what you do not understand.


When we "unveil" the standard, we move past the fur and look at the skeleton beneath. Here is a practical, breeder-focused guide to the physical essence of the Maine Coon.


Close-up front view of a Maine Coon muzzle, demonstrating the ideal 'square box' conformation required by the breed standard.

1. The Head: Architecture of the "Wild Look"


The Maine Coon head is unmistakable. It should never be round or dainty; it should look like a rugged, intelligent predator. It is a "modified wedge" that is slightly longer than it is wide.


  • The Muzzle (The Box): When you look at a Maine Coon head-on, the muzzle should look like a distinct, square box set under high, broad cheekbones. Both TICA and CFA emphasize a blunt-ended, visibly square muzzle. Avoid a "pinched" muzzle that narrows toward the nose or looks "snippy."

  • The Profile (The Scoop): From the side, look for a slight concave curve (a "scoop") at the bridge of the nose. It must be a smooth line, free of "Roman nose" humps or Persian-style "breaks."

  • The Chin: A strong muzzle needs a strong chin. The chin should be deep (TICA looks for it to be 1/3 the depth of the muzzle) and line up vertically with the upper lip and the tip of the nose. A weak, receding chin isn't just a look issue; it can lead to dental alignment failures.

The Legacy Thought: The head is where the "expression" of your cattery lives. If you lose the squareness of the muzzle, you lose the very soul of the breed.
Profile shot of a Maine Coon head, showing the correct concave scoop of the nose and a strong, deep chin.

2. Navigating the "Look": Traditional, European, and Russian Styles


While the official written standard is the same, global breeders have developed different "styles." Understanding these helps you decide the "look" of your future kittens.


  • Traditional (American) Lines: The original "working cat" look. They are balanced, moderate, and known for a "sweet" but wild expression.

  • European & Russian Lines: These often emphasize the "drama." They usually have much larger ears, massive lynx tips, and very heavy, prominent muzzles.

  • The Breeder’s Warning: It is easy to get caught up in "extreme" features. Beware: a muzzle that is too heavy can become rounded and lose its squareness, and ears that are set too high and narrow can lead to a weak, pinched skull.


3. Eyes and Ears: The Expression of a Hunter


  • The "Owl" Eye: We want large, expressive, oval eyes that appear almost round when wide open. They should be wide-set with a slight oblique set, slanting toward the outer base of the ear.

  • Ear Placement Over Size: Ideally, the ears should be set high, about one ear’s width apart at the inner base. CFA specifically notes they should not be flared out.

  • The Growth Gap: Kittens are "all ears." You want a foundation kitten whose ears look almost too high on their head. As the skull broadens with age, those ears will settle. If a kitten’s ears are already wide-set (flared out), they will look like "bat ears" as an adult.


Juvenile Maine Coon showing ideal high ear placement and lynx tufting, following the TICA/CFA standard.

4. The Size Trap: Substance vs. Scale


This is perhaps the most important lesson for a new breeder: Bigger is not always better.


  • The Health Connection: Chasing extreme weight (the 25lb+ cat) is a dangerous game. Extra-large frames put immense strain on the heart and the hips. There is a documented correlation between chasing "extreme size" and increased instances of HCM (Heart Disease) and Hip Dysplasia.

  • Substance Over Pounds: You aren't breeding for a number on a scale; you are breeding for Substance. This means substantial boning adequate to support the cat's frame and powerful muscle tone. A 16lb cat with thick, straight legs and a broad chest is "larger" in quality than a 22lb cat that is lanky and fine-boned.

  • The Slow Mature: Maine Coons take 4 to 5 years to fully "fill out." Prioritize a cat that grows steadily and stays solid over one that "balloons" in size too early.

The Legacy Thought: Never sacrifice the heart for the sake of the scale. A healthy, moderate-sized cat that lives to be fifteen is a far greater success than a giant that lives to be five.

5. Body and Tail: The Powerhouse


  • The Rectangular Body: Maine Coons must be long, substantial, and rectangular. They should have a broad, deep chest and be of equal width from the shoulders to the hips. Avoid "cobby" (short/round) or "tubular" (thin/foreign) bodies.

  • Legs and Paws: Legs should be substantial and wide-set. Paws must be large, rounded, and well-tufted. For Polydactyls (MCP), TICA requires that all toes touch the floor, and symmetrical expression is preferred.

  • The Tail: The tail is the cat's balance point and rudder. It should be at least as long as the body (from the shoulder blades to the base of the tail). Always feel for "kinks" or abnormalities—these are mandatory disqualifications.


A full-length side profile of a high-quality Maine Coon, demonstrating the ideal rectangular body shape, substantial boning in the legs, and a flowing tail that is equal in length to the torso. The image highlights the shaggy, uneven all-weather coat and the broad, deep chest required by TICA and CFA standards.

6. The "All-Weather" Coat


The Maine Coon coat is "shaggy" and uneven—shorter on the shoulders and longer on the "britches" and the belly (the belly shag).


  • Texture: It should be heavy and silky, falling smoothly. A "wooly" or "cottony" texture is a major penalty because it will mat constantly and fails to protect the cat from the elements.

  • Pattern and Color: CFA requires specific white areas (bib, belly, four paws) for patterns with white. Across all associations, colors like Chocolate, Lilac (Lavender), or Pointed patterns are disqualifications as they indicate hybridization.


7. The Hands-On Audit: Seeing Through the Fur


Grooming can hide many structural faults. To truly know your foundation cat, you have to use your hands.


  • Handling: Feel the breadth of the chest and the thickness of the bones. A "glamour coat" can make a narrow cat look wide.

  • Structural Red Flags: Ensure the legs are straight (no cow-hocking) and the bite is correct. An "undershot" chin or fine boning are immediate red lights for a breeding program.


A breeder's hands feeling the heavy bone structure of a Maine Coon's front legs to evaluate substance over coat fluff.

Conclusion: Breeding for the "Whole Cat"


Unveiling the standard isn't about winning points at a show; it’s about ensuring the longevity and health of your program. When you select your foundation cats, you are overlapping two "builds" to create a stronger future.


Your goal is to find where your queen’s form might be "thin" and find a king who is "strong" in that exact area. By mastering the standard, you move from just "having cats" to "shaping a legacy."


The fur may change with the seasons, but the bones you select today will define your cattery’s reputation for a lifetime.

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