Cat Breed Guide

Korat Cat: Silver-Blue Coat Mix Identification

Small to Medium · Thailand

A blue-gray cat from Thailand with a heart-shaped face, luminous green eyes, and a silver-tipped coat that shimmers like rain clouds. The Korat is one of the oldest naturally occurring cat breeds, cherished in Thailand as a "good luck cat" for centuries. Intelligent, loyal, and sensitive, Korats form deep bonds with their families and dislike living in homes where people are gone for long hours.

Quick Facts

Size
Small to Medium
Weight
6–10 lbs (2.7–4.5 kg)
Lifespan
12–15 years
Origin
Thailand

Key Visual Markers

  • Short, fine single coat in a clear silver-blue — the CFA standard describes it as "one color over the entire body, a silver-blue without shading or markings of any kind"; the guard hairs are silver-tipped, giving the coat a distinctive shimmering or "halo" effect when the cat moves; the coat lies close and glossy without undercoat
  • Heart-shaped head — a unique feature described in the CFA standard: the head forms a heart shape when viewed from the front, with the width across the eyebrows creating the top curves and the muzzle forming the point; the forehead is high and broad, and the muzzle is well-developed but not wedge-shaped
  • Large, luminous, brilliant green eyes — exceptionally large for the face, giving the Korat its distinct wide-eyed, innocent expression; kittens are born with amber or golden eyes that transition to green by around 2-4 years of age, with the final color being a vivid, luminous green described as "peridot green"
  • Large, high-set ears with rounded tips, broad at the base — the ears are set high on the heart-shaped head and tilt slightly forward, giving the cat an alert expression; the inner ear has minimal furnishings and the outer ear is covered in the same silver-blue short coat
  • Muscular, medium-sized body that is neither cobby nor svelte — the Korat is more compact than it looks, with surprising weight for its size; the body is well-muscled with a broad chest and moderate bone structure; the hindquarters are slightly higher than the shoulders, giving the cat a gentle uphill slope in profile
  • Medium-length tail, heavy at the base with a rounded tip — proportionate to the body, tapering gradually from a thick base; the silver-blue coat on the tail has the same silver-tipped shimmer as the body

How to Tell If Your Cat Is a Korat (or Korat Mix)

Think your cat might be a Korat or Korat mix? Check these visual markers:

  • Short, fine silver-blue single coat — one even color over the whole body with silver-tipped guard hairs that create a shimmering "halo" effect when the cat moves; Korat mixes often keep the silver tipping and close-lying glossy texture
  • Heart-shaped head — viewed from the front, the width across the eyebrows forms the top curves and the muzzle forms the point; this unique head shape is one of the strongest Korat markers a mix can inherit
  • Large, luminous green eyes — exceptionally large for the face, giving a wide-eyed, innocent expression; kittens transition from amber to a vivid peridot green by 2–4 years of age
  • Large, high-set ears with rounded tips — broad at the base, tilting slightly forward, and covered in the same silver-blue coat; mixes frequently keep the high ear placement
  • Compact, muscular body with a gentle uphill slope — surprisingly heavy for its size, with a broad chest and hindquarters slightly higher than the shoulders

Korat vs Russian Blue: Visual Differences

Russian Blues have a wedge-shaped head, a svelte foreign-type body on long legs, and a double coat that stands away from the body in thick plush layers. Korats have a heart-shaped head, a compact muscular body, and a fine single coat that lies flat with silver tipping. Both have green eyes, but the Korat’s luminous peridot-green eyes look far larger in proportion to the face.

Not sure about visual markers? Upload a photo to Furriq's breed identifier and let AI check 40+ traits in seconds.

Temperament & Traits

  • Highly intelligent and observant — learns daily routines, responds to its name, opens doors, and develops strong interactions with family members; described as having an "almost human" understanding of household activities
  • Loyal and affectionate with their family — forms deep attachments and follows chosen people from room to room; described as "wanting to be a part of everything you do"; very sensitive to praise or scolding
  • Reserved with strangers — the Korat is wary of unfamiliar people and new situations; will likely hide when visitors arrive and emerge only after the environment has calmed; needs patient introductions to new people
  • Sensitive to change and loud environments — not a cat for chaotic or noise-heavy homes; loud voices, arguments, or frequent guests stress the Korat and can lead to physical symptoms like over-grooming or loss of appetite
  • Playful and athletic — enjoys climbing, chasing, and interactive games; the breed has surprising speed and jumping ability despite its compact size; stays playful throughout life
  • Quiet voice — the Korat is not a vocal breed; communicates through soft meows, purrs, and strong eye contact; the breed is much quieter than Siamese or Oriental Shorthairs
  • Does not do well alone — Korats need a companion (human or another cat) if the household is empty for long hours; they can become depressed and withdrawn when left alone for extended periods

Health Notes

  • Gangliosidosis (GM1 and GM2) — a fatal inherited lysosomal storage disorder found in the Korat breed; caused by a deficiency in beta-galactosidase (GM1) or beta-hexosaminidase (GM2) enzymes, leading to progressive neurological deterioration; symptoms appear at 3-8 months of age: tremors, incoordination, hyperesthesia, and eventually paralysis; no treatment or cure exists; a DNA test identifies carriers and affected cats; responsible breeders test all breeding cats and do not breed carriers together
  • Hypertrophic cardiomyopathy (HCM) — reported in the breed; the Korat’s small gene pool means genetic heart disease can spread quickly; regular echocardiogram screening recommended for breeding cats; annual checkups with cardiac auscultation for all Korats
  • Feline lower urinary tract disease (FLUTD) — moderate predisposition; the breed’s sensitivity to stress can trigger stress-related cystitis; high-moisture diet, stress management, and multiple litter boxes positioned in quiet areas are preventive measures
  • Dental disease — the compact muzzle structure contributes to some tooth crowding; regular dental care and annual oral exams recommended; the Korat’s small jaw means missing or crowded premolars are not uncommon
  • Sensitivity to anesthesia — all cats with compact body types and low body fat need careful anesthetic protocols; discuss with a veterinarian before any surgical procedure; pre-anesthetic bloodwork is essential

This information is for educational purposes only. Always consult a veterinarian for health advice specific to your cat.

Care & Grooming

  • Coat grooming — the fine single coat has no undercoat and barely tangles; a weekly gentle brush keeps the silver-tipped shimmer and removes loose hair
  • Diet — feed measured portions of quality food and favor wet food; a high-moisture diet helps protect against the FLUTD episodes this stress-sensitive breed is prone to
  • Exercise and play — Korats are athletic climbers and chasers despite their compact size; provide cat trees and daily interactive play, which they stay keen on throughout life
  • Dental care — the small jaw crowds premolars, so brush teeth regularly and include an oral exam in every annual checkup
  • Environmental needs — Korats need calm, quiet homes and dislike chaos, loud voices, and long hours alone; keep routines stable, place litter boxes in quiet spots, and consider a companion cat if the house is empty all day
  • Health monitoring — insist on gangliosidosis (GM1/GM2) DNA testing from breeders, schedule annual cardiac auscultation for HCM, manage stress to prevent cystitis, and request pre-anesthetic bloodwork before any procedure

Frequently Asked Questions

Is there a free cat breed identifier app?
Yes — Furriq is a free browser-based cat breed identifier that works on any phone, no app store download needed. Just open furriq.com, upload a photo of your cat, and the AI checks 40+ visual markers to suggest the closest breed matches. Because it runs in the browser, it works on iPhone, Android, and desktop alike, and your photo is never stored.
What's the best cat breed identifier app for my phone?
For a no-install, privacy-first option, Furriq is a strong choice: it identifies cat breeds from a photo in seconds, is completely free, and deletes your photo right after the scan. Unlike many "cat breed identifier" apps that push subscriptions or collect your photos, Furriq runs entirely in your browser with no account and no data storage.
Can I use a cat breed identifier app on an iPhone or Android?
Yes. Furriq works on any phone with a modern browser — iPhone (Safari), Android (Chrome), or desktop. Open the site, tap the photo upload, and let the AI scan your cat's face shape, ears, coat, and other traits. There's nothing to install, which means no app-store restrictions and no photo leaving your control beyond the brief scan.
Are Korat cats hypoallergenic?
No — Korats are not hypoallergenic. Their single coat sheds less than double-coated breeds, but they still produce the Fel d 1 allergen in normal amounts.
Are Korats good with children and other pets?
Yes, in calm households — Korats are gentle and bond deeply with family, including respectful children and other cats. They dislike noise and chaos, so boisterous homes with very young kids may stress them.
Do Korats shed a lot?
No — the short, fine single coat sheds lightly year-round with no heavy seasonal blowout. A weekly brush is all the coat needs.
How long do Korat cats live?
Korats typically live 12–15 years. Buying from breeders who DNA-test for gangliosidosis, plus annual heart checks and a low-stress home, supports a full lifespan.
Are Korats really good luck cats?
In Thailand, yes — the Korat is one of the oldest natural breeds and has been cherished for centuries as a symbol of good fortune, traditionally given in pairs to brides. The shimmering silver-blue coat is said to resemble rain clouds that bring prosperity.
How do you pronounce Korat?
Koh-RAHT, with the stress on the second syllable, like the co in co-captain plus raht as in rot. It is not CORE-rat. The name comes from the former Thai capital, and in Thailand the breed is known as the Si-Sawat.
What color are Korat cats?
One color only: silver-tipped blue. Each strand is lighter at the root, darker along the shaft, and tipped with silver, which makes the whole coat shimmer. The Thai name for the color translates roughly to rain-cloud gray with sea-foam tipping.
Are Korat cats rare?
Yes, outside Thailand. The first Korats reached the United States only in 1959, and nearly every American Korat descends from that first pair. The breed has never been widely bred, so kittens are scarce and waitlists are common.
Are Korat cats smart?
Very. Owners describe Korats that learn to open doors and cabinets, respond to their names, and pick up tricks quickly. They are also playful well into adulthood and need puzzle toys and interactive games to stay entertained.
Why is the Korat called Si-Sawat?
Si-Sawat is the Thai name for the breed. Sawat means good fortune or prosperity, and it is also the word for a grayish-green local fruit seed that matches the Korat coat color. The double meaning is why the cat is treated as a lucky gift.

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Similar Breeds

Korat is often confused with these breeds. Here's how to tell them apart:

Russian Blue

Russian Blues have a wedge-shaped head, a svelte foreign-type body on long legs, and a double coat that stands away from the body in thick plush layers. Korats have a heart-shaped head, a compact muscular body (not svelte), and a fine single coat that lies flat against the body with silver tipping. The Russian Blue has vivid green eyes; the Korat has luminous peridot-green eyes that look larger in proportion to the face.

Korat vs Russian Blue: key differences
Chartreux

Chartreux are stockier and heavier (7-17 lbs vs. 6-10 lbs), have a rounded head with a narrow tapered muzzle (not heart-shaped), copper to deep orange eyes (never green), and a woolly double coat that breaks like sheepskin. Korats have a heart-shaped head, luminous green eyes, and a fine silver-blue single coat with no woolly texture. The Korat is also significantly lighter and more compact than the sturdy Chartreux.

Korat vs Chartreux: key differences

Explore Other Breeds

Not sure this is the right breed for you? Check out other popular cat breeds below.

Norwegian Forest Cat

A large, sturdy cat built for cold northern winters — thick water-repellent double coat, triangular head, friendly but independent. Originally working farm cats in Norway, they climb, hunt, and remain deeply loyal to their families without being fussy about it.

Abyssinian

One of the oldest cat breeds, the Abyssinian wears a uniquely ticked coat — each hair striped with alternating bands of color. Slim, muscular, and endlessly curious, these cats stay kittenish well into old age. They bond deeply with their people and hate being left alone.

Russian Blue

A blue-gray short-hair with a shimmering silver sheen and vivid green eyes. Russian Blues are reserved with strangers but deeply affectionate with their own people — quiet, gentle, and sensitive. The breed’s double coat stands up from the body, giving the cat a plush, velvety feel that cat breeders call "the smile under the hand."

Scottish Fold

A sweet-faced cat with ears folded forward and down, giving the head a round, owl-like silhouette. Calm, adaptable, and teddy-bear soft — Scottish Folds live up to their appearance. The folded ears trace back to a natural dominant mutation first found in a barn cat in Scotland in 1961.

Persian

The quintessential lap cat — famous for its luxurious long coat, large round eyes, and sweet, placid temperament. Persians are the most popular pedigreed cat breed worldwide, prized for their serene, gentle nature and unmistakable flat-faced (brachycephalic) profile.

British Shorthair

A sturdy, round-faced cat with a dense plush coat and a calm, undemanding personality. The British Blue — a solid blue-gray coat with copper eyes — is the breed’s most recognized look, but British Shorthairs come in many colors and patterns.

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