Cornish Rex

Cornish Rex are active, playful, and remarkably intelligent cats that stay kitten-like throughout their lives. They are natural performers and clowns, inventing games, performing acrobatic leaps, and entertaining their family with boundless energy. They are highly social and affectionate, wanting to be involved in everything and often riding on shoulders or warming laps. They are food-motivated and easily trained to perform tricks. Their active minds need constant stimulation — without it, they may channel their energy into mischief. They are friendly with everyone including children, other cats, and dogs. They seek warmth actively due to their thin coat and will snuggle under blankets, on warm electronics, and on any available warm lap.

The Cornish Rex has a distinctive egg-shaped head with high cheekbones, a Roman nose, and large, high-set ears. Large, oval eyes are set at a slight upward slant. The body is the breed's architectural marvel — a dramatic tuck-up at the waist creates a distinctive arched silhouette often compared to a Whippet or greyhound. The body is long, slender, and fine-boned but surprisingly muscular. Long, slim legs support a body built for speed and agility. The coat is the breed's defining feature — it consists solely of the undercoat (no guard hairs or awn hairs), forming tight, uniform Marcel waves or ripples. The coat is extremely short, fine, and soft with a warm, velvet texture. The long, tapering tail is also covered in wavy fur.

The Cornish Rex originated in 1950 on a farm in Bodmin Moor, Cornwall, England, when a cream-colored kitten with a curly coat named Kallibunker was born to a shorthaired tortoiseshell barn cat named Serena. Owner Nina Ennismore, on the advice of her veterinarian, backcrossed Kallibunker to his mother, producing two curly-coated kittens from three. This proved the mutation was recessive. The breed was named "Rex" after the rex rabbit, which has a similar wavy coat mutation. British breeders used Siamese and other breeds to widen the gene pool. The first Cornish Rex arrived in the United States in 1957. CFA recognized the breed in 1964, and TICA also grants Championship status.

HCM is the most significant genetic health concern and should be monitored through regular cardiac ultrasound. Their thin, undercoat-only coat provides minimal insulation, making them vulnerable to hypothermia in cold environments — maintain warm indoor temperatures and provide heated beds. The same thin coat offers no sun protection, increasing the risk of sunburn and skin cancer — avoid prolonged direct sun exposure. Patellar luxation may occur and should be checked during routine examinations. Some Cornish Rex have sensitive digestive systems and may need easily digestible, high-quality food. Their fast metabolism means they need more food relative to their size than many breeds.

The wavy coat is extremely low maintenance — it requires only gentle weekly brushing or hand stroking, as over-grooming can damage the delicate waves. Occasional bathing removes oil buildup, as the thin coat does not absorb oils as well as normal fur. Keep the indoor temperature comfortable — at least 20°C — and provide warm sleeping options like heated beds, blankets, and sweaters. Protect them from direct sunlight to prevent sunburn. Feed a high-quality, easily digestible diet in slightly larger portions than average to fuel their fast metabolism and high activity level. Provide abundant play opportunities, climbing structures, and interactive toys. They are social cats that need companionship and daily interaction.