Breed Profiles

You are at a friend's house, mid-sentence, and something lands on the back of the sofa behind your head. It is warm — startlingly warm, like a hot water bottle with opinions — and when you reach up to touch it your hand finds no fur at all, just soft ridged waves over a body that feels like it is built from coat hangers. Then it walks across your shoulders, sits on your neck and starts purring. Everyone who has met their first Cornish Rex has some version of that story.

The coat is what makes the breed, and it is not simply short. A normal cat wears three kinds of hair: coarse guard hairs on top, middle-length awn hairs, and a fine crimped down undercoat next to the skin. The Cornish Rex has essentially only the down. Nothing stiff, nothing long, nothing to hold the coat away from the body. What is left lies in tight parallel ripples along the back and flanks, and the old breeders called it a marcel wave after the fashionable hairdressing iron of the day. The whiskers are curly too, and often brittle enough to snap off, which is entirely normal.

All of it traces back to one litter. In July 1950, on a farm at Bodmin Moor in Cornwall, a tortoiseshell barn cat called Serena produced a cream-and-white male kitten with an unmistakably wavy coat. His owner, Nina Ennismore, had bred rex rabbits and recognised what she was looking at instead of dismissing it as a scruffy kitten. She named him Kallibunker, took advice, and eventually bred him back to his mother — which produced more curly kittens and confirmed a recessive gene. Every Cornish Rex alive descends from that one cat, with later outcrosses to Siamese, Burmese, British Shorthair and American Shorthair added to widen a very narrow gene pool.

The Devon Rex turned up in the same corner of England less than ten years later, and for a while people assumed the two were the same thing. Breeding them together settled it: the kittens came out with straight coats, which means two entirely separate mutations. They are different breeds with different genes, different coat structure and different faces — the Devon has the pixie head, the huge low-set ears and a sparser, patchier coat that can go bald in places. The Cornish has a longer wedge-shaped head, a Roman profile, high-set ears and a more even, more regularly waved coat. Anyone who has lived with both will tell you the Cornish is the more relentlessly athletic of the two.

The body under the coat is genuinely unusual. Fine bone, deep chest, a dramatically arched back with a tucked-up waist, and long legs that make them look permanently ready to sprint — the general outline is closer to a whippet than to a domestic tabby. They weigh very little, two and a half to four and a half kilos in most cases, and they are all muscle. Picking one up feels like handling a bird.

They do not actually run a higher body temperature than any other cat. Normal feline temperature sits around 38 to 39 degrees, Cornish Rex included. The difference is that there is no insulating layer between your palm and their skin, so you feel the heat directly, and the same physics works against them in a cold house. These cats seek out warmth with real determination: radiators, laptop keyboards, the airing cupboard, the exact patch of sun moving across the floor, and eventually the inside of your duvet. Keep the heating on in winter, provide a covered bed, and if you must let one outdoors, remember that thin pale coats sunburn on the ears and nose.

The energy level is the part people are least prepared for. Cornish Rex cats are kittenish well into double digits, jumping to the tops of doors, opening cupboards, playing fetch properly and repeatedly, and treating the highest shelf in the room as a personal challenge. They are chatty in a soft way and desperately sociable — this is not a breed to leave alone for twelve hours a day, and many owners end up with two because one on its own gets bored and inventive. They are also notorious food thieves with quick, dexterous front paws. Lids on things.

Grooming is the myth that needs killing. A coat with no guard hairs looks low maintenance and is nothing of the sort. Guard hairs normally wick sebaceous oil away from the skin and spread it down the shaft; without them the oil stays put and builds up. So you get greasy patches along the back and behind the elbows, brown waxy gunk in the nail beds, and above all ears that produce a startling amount of dark wax. Weekly ear cleaning with a proper feline ear solution is routine for this breed, not a sign of illness, and a good number of Cornish Rex need a bath every few weeks. Start both habits in kittenhood or you will lose the argument permanently. Brushing, on the other hand, is mostly counterproductive — the coat is fragile and a hand or a piece of silk does more good than a brush.

They shed lightly but they are not hypoallergenic; they make Fel d 1 like every other cat. Health is generally decent, with a typical lifespan of twelve to sixteen years. Patellar luxation and progressive retinal atrophy exist in some lines, hypertrophic cardiomyopathy is worth asking about, and vets tend to be careful with anaesthesia because a thin-coated cat loses body heat fast on a table. Ask a breeder what they screen for and how they socialise their kittens — the good ones raise them underfoot, which is exactly where the cat will spend the rest of its life.