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Cornish Rex© Tomi Tapio K from Helsinki, Finland / CC BY 2.0

Cornish Rex

The Cornish Rex is best known for its uniquely soft, wavy coat made up of undercoat hair alone, with no outer guard hairs. Despite its slim, elegant silhouette, this breed is remarkably athletic and full of energy, always ready to leap, chase, and explore. Highly intelligent with a wide repertoire of play behaviors, Cornish Rex cats thrive on interactive toys and activities that let them burn off their curiosity. They also tend to be affectionate and people-oriented, enjoying close contact with their owners. This breed suits households looking for an active, engaging companion to share daily life with.

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Cornish Rex key facts

Care level
Intermediate
Lifespan
12-15 years
Size
Weight 2.5-4.5kg
Diet
High-quality complete food. Needs calories for body temperature regulation.
Temperament
Active and intelligent. Smart enough to learn fetch and tricks. Social and affectionate.
Exercise
Very active. Excellent at jumping and running; prefers spacious play areas.
Coat Care
Short wavy coat with low shedding. Minimal brushing for delicate coat.
Origin
United Kingdom (Cornwall)
Notes
Cold-sensitive; room temperature control important. Low body fat; watch anesthetic sensitivity.
TraitsIntermediateWavy coatSlimActive

About Cornish Rex

The Cornish Rex is a slim, athletic cat known for its wavy, undercoat-only fur and playful intelligence. Suited to intermediate-level owners, with a lifespan of 12-15 years and an adult weight of about 2.5-4.5kg.

7 things to know before welcoming a Cornish Rex

  1. 1Thin Coat, Needs Warmth

    Because the coat consists only of fine undercoat with no guard hairs, Cornish Rex cats have less natural insulation than most breeds. Provide a warm bed and keep the room comfortably heated, especially in winter or air-conditioned spaces.

  2. 2High Activity Levels

    Cornish Rex cats are highly active and athletic, so a cat tree or vertical space to climb and jump helps keep them satisfied. Make sure to set aside daily playtime, as insufficient exercise can lead to stress.

  3. 3Smart and Playful

    Highly intelligent with a broad range of play styles, Cornish Rex cats benefit from puzzle feeders and interactive toys in addition to simple ones. They also enjoy engaging directly with their owners during play.

  4. 4Gentle Skin Care

    Without protective guard hairs, the skin can be delicate and prone to irritation from rough handling or over-brushing. Use a gentle touch during grooming and check the skin regularly for any signs of irritation.

  5. 5Prepare a Climate-Controlled Home

    Because of its thin coat, a Cornish Rex needs a home where the temperature can be kept stable year-round. Before bringing one home, prepare air conditioning or heating as needed, along with cat trees suited to its active nature.

  6. 6Affectionate and People-Oriented

    Cornish Rex cats tend to be affectionate and enjoy close contact with their family. They generally do best in households where they can interact with people regularly, rather than being left alone for long stretches.

  7. 7Make Health Checks a Habit

    With a typical lifespan of around 12 to 15 years, everyday health monitoring plays a key role in helping a Cornish Rex live a long, healthy life. Keep an eye on diet and weight changes, and consult a veterinarian promptly if anything seems off.

Frequently asked questions about Cornish Rex

Q.Does the Cornish Rex shed a lot?
A.Since the coat is made up only of fine undercoat without guard hairs, Cornish Rex cats generally have less fur overall and tend to shed less than many breeds. That said, individual differences exist, so regular brushing to check the coat and skin is still a good habit.
Q.Is the Cornish Rex a good choice for first-time cat owners?
A.The Cornish Rex is generally considered suitable for intermediate-level owners rather than complete beginners. Its active temperament and distinctive coat call for care tailored to the breed, so some prior experience with cats can make the transition smoother.
Q.How big does a Cornish Rex get as an adult?
A.Adult Cornish Rex cats typically weigh around 2.5 to 4.5kg, with a slim and lithe body shape. While individual size can vary, they are not considered a large breed.
Q.I've heard they're very active — what kind of play do they need?
A.Cornish Rex cats are highly athletic, so vertical spaces like cat trees and toys that encourage chasing work well. Since they're also quite intelligent, adding puzzle-style toys to the mix can help keep them mentally satisfied too.
Q.Are there any legal regulations on owning a Cornish Rex?
A.The Cornish Rex is not subject to CITES.

Useful tools for Cornish Rex care

Learn more about Cornish Rex in the encyclopedia

View Cornish Rex encyclopedia entry →

Care difficulty, lifespan, size and diet — all basics covered.

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