C
Species Profile

Corn Rex Cat (Cornish Rex)

Felis catus

Velvet curls, big personality
Heidi Bollich/Shutterstock.com

Corn Rex Cat (Cornish Rex) Distribution

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Origin Location

This map shows the native origin of the Corn Rex Cat (Cornish Rex). As a domesticated species, they are now found worldwide.

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Size Comparison

Human 5'8"
Corn Rex Cat (Cornish Rex) 10 in

Corn Rex Cat (Cornish Rex) stands at 14% of average human height.

Portrait of a Cornish Rex Kitten

At a Glance

Domesticated
Also Known As Cornish, Cornish cat, Curly-coated cat, Curly cat
Diet Carnivore
Activity Cathemeral+
Lifespan 13 years
Weight 4.5 lbs
Status Not Evaluated
Did You Know?

The breed began in Cornwall, England (1950) from a curly-coated kitten named Kallibunker.

Scientific Classification

The Cornish Rex is a domestic cat breed characterized by a very short, fine, wavy/curly coat caused by a Rex-type coat mutation. It is typically slender, long-limbed, and notably active and social.

Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Carnivora
Family
Felidae
Genus
Felis
Species
Felis catus

Distinguishing Features

  • Very short, soft, wavy/curly coat (often described as "marcel waves")
  • Slender, fine-boned body with long legs and a tucked-up waist
  • Large ears and an egg-shaped head profile
  • Highly active, playful, and people-oriented temperament is commonly reported

Physical Measurements

Males and females differ in size

Height
♂ 10 in (9 in – 12 in)
♀ 10 in (9 in – 11 in)
Length
♂ 2 ft (1 ft 10 in – 2 ft 4 in)
♀ 2 ft 4 in (2 ft 2 in – 2 ft 6 in)
Weight
♂ 9 lbs (7 lbs – 11 lbs)
♀ 7 lbs (6 lbs – 8 lbs)
Tail Length
♂ 11 in (10 in – 1 ft 1 in)
♀ 11 in (10 in – 12 in)
Top Speed
30 mph
Short sprints up to 48 km/h

Appearance

Primary Colors
Secondary Colors
Skin Type Cornish Rex: short, fine, wavy single coat (Rex mutation) with few guard hairs. Coat lies close. Sparse hair makes it sensitive to cold and sun; may show skin oils if overbathed. Not truly hypoallergenic.
Distinctive Features
  • Breed-defining Rex coat: very short, tight waves/ripples over the body, typically with fewer/no coarse guard hairs compared with many domestic cats (Felis catus).
  • Slender, long-limbed, 'whippet-like' build with a deep chest and tucked-up waist; lightweight, athletic silhouette compared with the average domestic cat.
  • Narrow, wedge-shaped head with high cheekbones; large ears set high; oval eyes-overall an 'elfin' look.
  • Highly active, playful, and social temperament; often seeks warmth and human contact; commonly better suited to indoor living than many shorthaired domestic cats due to coat sparsity and temperature sensitivity.
  • Grooming/care: usually minimal brushing (can damage waves); gentle hand-petting or soft cloth is preferred. Monitor for oily skin/ear wax buildup-some individuals need occasional gentle bathing and regular ear cleaning.
  • Thin coat can mean oily, irritated skin if bathed too much or pores clog; very sensitive to cold and sun (sunburn on pale spots). Like other cats, watch teeth and weight.
  • Compared to Devon Rex, Cornish Rex has a more even, wavy coat, sleeker long-limbed body and egg-shaped wedge head; Devon has a broader head, shorter muzzle and a more tousled coat.

Sexual Dimorphism

Males are typically slightly larger and more muscular than females, though both sexes retain the breed's slender, long-limbed outline; dimorphism is mild compared with many mammals.

♂
  • Slightly heavier bone and more pronounced musculature through shoulders and neck.
  • Broader head/jowls may develop with maturity (especially in intact males).
♀
  • Generally finer-boned and slightly smaller overall size.
  • Often a more delicate head/neck profile while maintaining the same large-ear, wedge-headed type.

Did You Know?

The breed began in Cornwall, England (1950) from a curly-coated kitten named Kallibunker.

Its "Rex" coat comes from a recessive mutation that alters hair structure-different from the Devon Rex mutation.

Cornish Rex fur lacks the typical guard hairs; the coat is mostly fine undercoat, creating a suede-like feel.

Because the coat is so short, many Cornish Rex seek warmth and are famous for burrowing under blankets.

The breed's long legs and arched back give it a "greyhound" silhouette compared with the average domestic cat.

Cornish Rex lines were developed using outcrosses (e.g., Siamese-type cats), influencing the breed's slim build and lively temperament.

Cornish Rex are often described as "people cats" due to their unusually persistent social, playful behavior into adulthood.

Unique Adaptations

  • Rex-type coat: very short, fine, wavy hair with reduced/absent guard hairs-distinct from the typical three-layer domestic cat coat.
  • Lower insulation from the coat means greater sensitivity to cold and a higher tendency to seek external heat sources.
  • The coat's texture and minimal shedding change grooming needs: less brushing, but oils can accumulate, so some individuals benefit from occasional bathing.
  • Slender body, long legs, and flexible spine support rapid acceleration and agile jumping compared with many sturdier domestic-cat builds.
  • Compared with Devon Rex: Cornish Rex typically has tighter, more uniform waves and a different underlying genetic mutation; Devon Rex often has a broader head/very large ears and more "broken" curl pattern.

Interesting Behaviors

  • High-speed sprinting and dramatic leaps ("parkour" play) that reflect their long-limbed, athletic build.
  • Heat-seeking habits: curling into warm laundry, sun patches, or under duvet covers more than many cats.
  • Retrieving toys and sustained interactive play; many retain kitten-like playfulness for years.
  • Strong "shadowing" behavior-following people from room to room and seeking lap time.
  • Chatty social signaling (chirps/trills) and frequent solicitation of attention, especially in busy households.
  • Using paws to manipulate objects (cabinet testing, toy "fishing"), a common Felis catus trait often amplified by their curiosity.

Cultural Significance

Cornish Rex (Felis catus) became famous in the mid to late 1900s as a designer coat and made "Rex" (from Rex rabbits) well known. As an early Rex breed, it influenced later breeding and interest in curly coats and showed they need indoor care because thin coats keep less heat.

Myths & Legends

The Cornish Rex origin story says a Cornwall farm cat had a kitten named Kallibunker, the first known Cornish Rex; its unusual curls were called a "little lamb" or "rabbit cat".

In cat-fancy lore, the name "Rex" is often retold as a nod to the curly Rex rabbit-an origin story repeated in breed histories to explain why curly-coated cats came to share the "Rex" label.

Early breed stories say breeders saw the rare curls and planned matings to keep them. The tale of a chance mutation turning into a worldwide show breed is part of Cornish Rex tradition.

Cornish Rex fans often say the cats are 'warm to the touch.' Owners noticed their very short, soft coat and close body contact make them feel extra cozy and comforting.

Conservation Status

NE Not Evaluated

Has not yet been evaluated against the criteria.

Population Stable

Life Cycle

Birth 4 kittens
Lifespan 13 years

Lifespan

In the Wild
11–15 years
In Captivity
10–20 years

Reproduction

Mating System Polygynandry
Social Structure Managed Domestic
Breeding Pattern Serial
Fertilization Managed Selective
Birth Type Managed_selective

Behavior & Ecology

Social Clowder Group: 2
Activity Cathemeral, Crepuscular
Diet Carnivore Animal-based, high-protein foods (commonly poultry such as chicken/turkey; also rabbit or beef)

Temperament

Highly social/people-oriented compared with average domestic cats; often seeks laps, shoulders, and close physical contact
Very playful and athletic; persistent "starter" of games and interactive play (fetch-like play is commonly reported)
Curious, bold, and exploratory; benefits from puzzle feeders, climbing structures, and daily training/play sessions to prevent boredom-driven nuisance behaviors
Affectionate and emotionally responsive; may be prone to separation-related behaviors if left alone routinely-do best with consistent interaction or a compatible companion
Generally tolerant and adaptable when well-socialized, but can become overexcited/overstimulated; short, positive play/training sessions help regulate arousal
Breed-specific care context: short, fine rex coat provides less insulation-often seeks warmth; may prefer heated beds/sunny spots and may be less comfortable in cold environments
Breed-specific grooming: minimal brushing (overbrushing can damage coat), but some individuals may need periodic gentle bathing/ear cleaning due to skin oils; monitor for skin irritation
Cornish Rex cats may have inherited problems in some bloodlines, like heart disease (hypertrophic cardiomyopathy), kneecap issues (patellar luxation), and dental disease. Regular vet checks, weight control, and dental care help.
Nutrition/weight: high activity often, but indoor lifestyle still requires portion control; interactive feeding helps satisfy foraging drive and reduces attention-demanding behavior

Communication

Meows/chirps used frequently for social contact and attention-seeking; Cornish Rex often described as more "chatty" than average
Purring during contact-seeking and handling; may purr readily when settled on warm surfaces or with preferred people
Trills and greeting calls when approaching familiar humans/animals
Growls/hisses when overstimulated or if introductions are rushed; generally avoidant signals precede escalation
Body posture and tail signals: upright tail with relaxed body during friendly approach; rapid tail flicking and crouched posture can indicate overstimulation during intense play
Tactile communication: frequent rubbing/bunting and kneading; Cornish Rex often increases physical contact as a primary social strategy
Scent marking: facial rubbing and scratching as normal territory/affiliation signals; provide multiple scratch surfaces to channel marking appropriately
Play signaling: exaggerated play bows, rapid darting, and toy presentation; breed tendency toward high-intensity interactive play-use wand toys and scheduled sessions to prevent ambush play
Thermoregulatory seeking as a behavior: choosing warm laps/blankets/heaters is common due to minimal coat; ensure safe warm options to reduce inappropriate heat-seeking E.g., appliances
Training/learned cues: responds well to clicker training and routine-based communication; using consistent cues can reduce excessive attention vocalization by providing predictable interaction

Habitat

Biomes:
Temperate Forest Temperate Grassland Mediterranean Tropical Rainforest Tropical Dry Forest Savanna Desert Hot Desert Cold Boreal Forest (Taiga) Tundra Alpine Wetland Freshwater +7
Terrain:
Plains Hilly Coastal Island
Elevation: Up to 18044 ft 8 in

Ecological Role

Domestic/feral mesopredator closely associated with human environments; in household settings primarily a companion animal, but retains strong predatory ecology.

Rodent and pest suppression around homes/farms when hunting occurs Scavenging reduction of small pest carcasses in some settings (incidental) Potential negative impact: predation pressure on native small mammals, reptiles, and birds when allowed outdoors

Diet Details

Main Prey:
Rodents Small mammals Small birds and nestlings Reptiles Amphibians Invertebrates

Human Interaction

Domestication Status

Domesticated

The domestic cat (from the African wildcat) became tame near early farms and helped control rodents. The Cornish Rex is a modern breed from a random curly-coat mutation in Cornwall, England in the 1950s. Breeders fixed its curly Rex coat and slim, athletic body; it is a line within domestic cats, not a new domestication.

Danger Level

Low
  • scratches and bites (play or fear), occasionally leading to skin infection
  • allergy triggering (dander/saliva proteins); the Cornish Rex is not reliably hypoallergenic despite the short coat
  • zoonotic risks common to domestic cats if hygiene is poor (e.g., ringworm; toxoplasmosis exposure via litter handling)
  • rare: injury from high activity (jumping/climbing accidents) if handled unsafely

As a Pet

Suitable as Pet

Legality: Generally legal worldwide wherever domestic cats are permitted; subject to local rules on pet ownership, licensing, microchipping, rabies vaccination, and breed-neutral housing restrictions. No special wildlife/exotic permits are typically required because it is a domestic cat breed.

Care Level: Moderate

Purchase Cost: $800 - $2,500
Lifetime Cost: $12,000 - $30,000

Economic Value

Uses:
Companion animal/pet industry Pedigree breeding and showing Veterinary services and pet insurance Pet products (specialty foods, toys, enrichment, grooming items)
Products:
  • kittens from registered breeders (pedigree premium)
  • cat show participation/fees and related services
  • routine veterinary care (vaccines, dental, spay/neuter)
  • preventives (parasite control) and insurance policies

Relationships

The Cornish Rex, also called Corn Rex, is a domestic cat breed that originated from a genetic mutation that caused it to have no fur, only down hair that is very fine and wavy. Also known as the Gazelle, Greyhound, or Whippet of cats, it has a long, athletic, curved body, wide hips, and a social, intelligent, affectionate, trainable personality.

Cornish Rex Traits: What to Know Before You Buy

  • The Corn Rex personality is very active, curious, and social, and therefore needy in terms of companionship and attention. This breed isn’t recommended for people who want a more solitary, independent cat.
  • Contrary to popular belief, the Corn Rex is not hypoallergenic, but it has minimal shedding. People who are allergic to pet dander are less sensitive to this breed.
  • This breed has a higher risk of skin problems, such as rashes and sunburn, because it doesn’t have an outer coat to absorb natural oils and protect the skin. Special care must be given to properly protect and wash its skin.

Origins

cornish rex with harness on

Cornish Rex cats are descended from American and British shorthair cats, Burmese, Havana Brown, Siamese, and other breeds.

The story of the Cornish Rex dates back to the 1950s. A British shorthair belonging to a certain Nina Ennismore, of Cornwall, birthed a kitten which had a short curly coat and a slender, long-limbed build. The pet was named Kallibunker, and its descendants subsequently mixed with British shorthairs, Burmese, and Siamese. However, in spite of the original owner’s earlier desire to continue the breed, the population all but vanished from her home country by the close of the decade.

Fortunately, a couple of them had been shipped to the States. There they were further crossed with a selection of other breeds, including the American shorthair and the Havana Brown. And by the middle of the following decade, the Cornish Rex was recognized by the Cat Fanciers’ Association.

Personality

close up of a Cornish Rex

The Cornish Rex has a playful, energetic, and affectionate nature, which belies its slender elegance.

This breed’s personality is social, mischievous, adventurous, curious, playful, and affectionate. It has a charismatic, energetic, adaptive, and trainable temperament. If you’re looking for a cat that gets along well with strangers, children, other cats, and other pets, the Corn Rex is a winner, as it seeks out company.

This breed is athletic. Although it looks fragile, it has a sturdy, muscular body and a running gallop. A natural acrobat, it enjoys jumping long or high distances. It also enjoys playing fetch and racing other pets, and even walking on a leash.

Because of its light coat, it must be kept indoors and in warm, dry temperatures. This cat enjoys warm spots such as human laps and shoulders, lamps, and computer monitors.

Size and Weight

The Cornish Rex has one of the longest tails of all cat breeds.

The Corn Rex is a long, slender, thin-coated medium-sized breed. It weighs six to ten pounds, which is a small weight range, and it shouldn’t exceed ten pounds. It is 11-15 inches high with a body length of 12-17 inches. Males weigh eight to ten pounds, while females weigh six to eight pounds.

The breed has a long tail. It is one of the breeds with the longest tails. Other qualities that make people pay attention are its large ears, slightly upward-slanting oval-shaped eyes, egg-shaped head, curved and muscular body, and wide hips.

Price

The price for an adult Cornish Rex from a breeder typically ranges from $1,500 to $2,000. There are also Cornish Rex rescues, with the price for a cat or kitten being the adoption fee.

Kittens

isolated cornish rex kittens

Cornish Rex kittens grow pretty fast and are sociable and friendly

Corn Rex kittens retain their playful, kittenish energy as they age and even into adulthood. Their temperament as kittens is what prospective owners can expect them to have their whole lives. Their hyper, social, and lovable personalities make them ideal for families with children, other cats, and even other pets, such as dogs.

This breed is a medium-sized cat that reaches puberty at five to ten months. It gets close to its full-grown size and weight at nine to 12 months, after which it grows much more slowly until 18 months.

The price of a Cornish Rex kitten can range from $1,500 to $2,000. A pet-quality kitten has a lower price than a show-quality kitten. Kittens are completely weaned at six weeks, which is the earliest age you can safely adopt them.

Lifespan

Friendliest Cats - Cornish Rex

Cornish Rex cats generally live between 12 and 15 years, although they are capable of living for up to 20 years.

The Corn Rex lifespan is 11 to 20 years, with an average of 12-15 years. Compared to an average lifespan of nine to 12 years, this breed lives a long time.

Breed vs. Mixed

close up of a cornish rex

Mixed Cornish Rex cats come with variations in their features, personalities, and colors

Purebred Corn Rexes have a consistent temperament, personality, colors, lifespan, length, height, weight, and other features. Mixed Corn Rex cats have differences in physical features, personality, colors, and other features depending on the breed used for crossing. They also tend to have outer coats and far fewer skin problems.

Types of Cornish Rex Cats and Colors

Ugliest Cats - Cornish Rex

The Cornish Rex comes in a wide array of colors and coat patterns.

The Corn Rex breed standard colors are:

  • White with pink nose and paw pads, and blue or golden eyes
  • Black with black noses, brown or black paw pads, and golden eyes
  • Blue with blue/grey nose and paw pads, and golden eyes
  • Red with red nose and paw pads, and golden eyes
  • Light cream with pink nose and paw pads, and golden eyes
  • Chocolate brown with brown nose, pink paw pads, and golden eyes
  • Lighter silver or darker black-tipped silver, both with red noses, black paw pads, and green/blue eyes
  • Tipped color variations with pink, brown, or black noses and paw pads, depending on the base color, all with golden eyes

Corn Rex coat patterns are:

  • Tabby: Common dark stripes or Spotted Tabby and Patched Tabby variations
  • Tortoiseshell: Mixed, large patches of two different colors (non-white) with golden eyes
  • Calico: Two different patches of black, red, chocolate, smokey, or lavender, against a white base, usually red and black
  • Bicolor: Solid color on white background
  • Pointed: Point coloration with pale bodies and darker extremities or ‘points’

Cornish Rex vs. Devon Rex

Devon Rex laying down on pillow

The Devon Rex is somewhat similar to the Cornish Rex, although it is less outgoing and has a shorter lifespan.

Perhaps the biggest traits these two different breeds share are that they both originated in the United Kingdom and have large ears and curly, soft coats. However, facts also show that they are of similar weight, the same litter size, and are low-maintenance breeds. The Devon Rex has a shorter lifespan, while the Corn Rex is more outgoing and territorial.

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Sources

  1. Wikipedia / Accessed November 20, 2021
  2. The Cat Fanciers' Association / Accessed November 20, 2021
  3. Petfinder / Accessed November 20, 2021
  4. Holistapet / Accessed November 20, 2021
  5. AnnieMany / Accessed November 20, 2021
  6. ExcitedCats / Accessed November 20, 2021
  7. MyCatBreeds / Accessed November 20, 2021
  8. Catster / Accessed November 20, 2021
Dana Mayor

About the Author

Dana Mayor

I love good books and the occasional cartoon. I am also endlessly intrigued with the beauty of nature and find hummingbirds, puppies, and marine wildlife to be the most magical creatures of all.
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Corn Rex Cat (Cornish Rex) FAQs (Frequently Asked Questions)

The easiest way to tell a Cornish Rex is by its unique physical features. You should also check out the breed standard of size, weight, colors, and temperament.