Cornish Rex
Wavy coat (mutation). Slender, athletic body. Active, sociable character.
Foto: Wikipedia Commons · CC BY-SA
Ideal for
- ✓Families with time for cuddling
- ✓Flats
- ✓Those seeking a sociable cat
Reconsider if
- ×Homes where it would be alone for many hours
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Is the Cornish Rex a good match for you?
Indicative rating from 1 (low) to 5 (high).
💶 Estimated cost of ownership
50-80 €/month
Quality food (25-40 €), litter (8-12 €), prorated preventive vet care (12-20 €), skin/ear hygiene and toys (8-12 €). Separately: annual check-up with cardiac assessment (40-70 €).
History and origin
A wavy-coated breed originating in Cornwall (England) from a spontaneous mutation. With a slender body and a very fine coat, it is predisposed to hypertrophic cardiomyopathy and patellar luxation, as well as a certain sensitivity to anaesthesia.
Temperament and character
Typical character for its breed. Sociable or reserved depending on the individual. Early neutering (4-6 months) is the best preventive measure.
Living together
Children: good with respectful ones. **Other cats:** sociable if living together from a young age. **Dogs:** possible if calm.
Life stages of the Cornish Rex
Each stage has its own care priorities. Life expectancy: 11-15 años.
Kitten
0-6 months
Vaccination, thermal protection due to its sparse coat and a growth diet.
Junior
6 months-2 years
Neutering, HCM genetic test, patellar assessment and dental care.
Adult
2-10 years
HCM echocardiography, patellar monitoring, weight and anaesthetic caution.
Senior
11+ years
Cardiac follow-up, joint and renal monitoring and a geriatric diet.
Care
Brushing: according to coat (short = weekly · semi-long = 2-3 times · long = daily).
Litter tray: N+1 trays (decision 70).
Feeding: quality wet + dry food.
Vet: annual check-up + blood work from age 7.
Care in detail
🍽️ Nutrition
Fast metabolism and little insulation: it eats quite a lot for its size. A quality energy-dense food in several meals, keeping an athletic weight without letting it become too thin.
✂️ Grooming
Wavy, extremely fine coat: very gentle handling, a rubber glove, no harsh brushes. Regular cleaning of skin and ears; the occasional bath.
🎓 Training
Athletic and intelligent, almost 'dog-like': learns to fetch, walk on a harness and do tricks with positive reinforcement.
🏃 Exercise
Very high energy and great jumping ability: it needs sprints, intense daily play and vertical structures to burn off its energy.
Breed-specific health
Hypertrophic cardiomyopathy (HCM) common in many breeds — genetic test recommended. PKD in Persian and derived breeds. Life expectancy 11-15 years.
🩺 Health predispositions of this breed
Conditions this breed is more predisposed to. Knowing about them helps with prevention and early detection. A predisposition does not mean the animal will develop them.
Common diseases in cats
Learn the symptoms, prevention and when to see the vet. Reviewed indicative information that does not replace a veterinary consultation.
Screening and prevention for the Cornish Rex
Recommended tests and screenings
- ✓Echocardiographic screening for hypertrophic cardiomyopathy (HCM)
- ✓Blood typing (predisposition to type B → neonatal isoerythrolysis)
- ✓Assessment of patellar luxation
- ✓Check for hypotrichosis and skin condition
Prevention
Early neutering, protection from the cold, periodic cleaning of greasy skin and ears, and anaesthetic caution (a breed sensitive to certain drugs). Always tell the vet it is a Cornish Rex before any anaesthesia.
Check-up schedule
Annual check-up with cardiac auscultation/ultrasound and dermatological assessment; in breeding animals, blood typing.
Warning signs
- !Rapid breathing or tiring easily (heart disease)
- !Lameness or slipping kneecap
- !Greasy skin, redness or hair loss
- !Cold intolerance and constant seeking of warmth
Cornish Rex gallery
Frequently asked questions about the Cornish Rex
- How long does a Cornish Rex live? ▾
- The life expectancy of the Cornish Rex is 11-15 años. A good diet, adequate exercise, annual veterinary check-ups and preventive care can help reach the upper end of that range.
- How much does a Cornish Rex weigh? ▾
- An adult Cornish Rex weighs between 2-4 kg, depending on its sex, genetics and condition. It is pequeño.
- Where does the Cornish Rex breed come from? ▾
- The Cornish Rex originates from Inglaterra (Cornualles). A wavy-coated breed originating in Cornwall (England) from a spontaneous mutation. With a slender body and a very fine coat, it is predisposed to hypertrophic cardiomyopathy and patellar luxation, as well as a certain sensitivity to anaesthesia.
- How much exercise does a Cornish Rex need? ▾
- The Cornish Rex has alta energy. **Brushing:** according to coat (short = weekly · semi-long = 2-3 times · long = daily).
- Is the Cornish Rex good with children? ▾
- **Children:** good with respectful ones. **Other cats:** sociable if living together from a young age. **Dogs:** possible if calm.
- Who is the Cornish Rex NOT recommended for? ▾
- It isn't the right breed for: Homes where it would be alone for many hours. It's important to choose a breed that's compatible with your lifestyle.
- What health problems does the Cornish Rex have? ▾
- Hypertrophic cardiomyopathy (HCM) common in many breeds — genetic test recommended. PKD in Persian and derived breeds. Life expectancy 11-15 years.
- Is it the same as the Devon Rex? ▾
- No. They share a curly coat and an active character, but they come from different mutations and should not be crossed with each other. The Cornish curl is more uniform and wavy.
- Does it shed a lot? ▾
- Hardly at all. It only has a single coat of short, wavy hair, so shedding is minimal.
- Does it need special care in the cold? ▾
- Yes. Its sparse coat provides little insulation; it appreciates warmth, blankets and being kept out of draughts in winter.
- Is there anything to warn about before anaesthesia? ▾
- Yes. Rex cats can be sensitive to certain anaesthetics; always inform the vet of the breed.
- Is it very active? ▾
- Very. It is a jumper, playful and sociable; it needs daily exercise and company to stay balanced.
Learn more about cats
Practical veterinary guides to support your Cornish Rex.
Sources and references
Content compiled from official breed standards and leading veterinary sources.
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