What is the lifespan of a Cornish Rex?

According to allpets.ai data, Cornish Rex typically lives 11–20 years. They weigh 2.5–4.5 kg and stand 20–30 cm tall.

How big does a Cornish Rex get?

According to allpets.ai data, adult Cornish Rex weigh between 2.5 and 4.5 kg. Height ranges from 20 to 30 cm. Size category: Small.

What health problems are common in Cornish Rex?

According to allpets.ai data, Cornish Rex is predisposed to 5 health conditions including Progressive Retinal Atrophy (PRA), Hypertrophic Cardiomyopathy (HCM), Autosomal Dominant Polycystic Kidney Disease (AD-PKD). 4 of these are hereditary. Regular screening is recommended for early detection.

Does the Cornish Rex have separation anxiety?

According to allpets.ai data, Cornish Rex has high anxiety proneness with moderate separation anxiety risk. Top triggers: separation, lack of enrichment, changes in routine. Recommended interventions: interactive play sessions, puzzle toys, consistent routine, vertical spaces, pheromone diffusers.

How do you care for a Cornish Rex?

According to allpets.ai data, Cornish Rex care includes: Exercise: 30 min/day. Grooming: N/A. Annual exam focus: N/A.

What are the breeding considerations for Cornish Rex?

According to allpets.ai data, Cornish Rex has an average litter size of 3–5. Dystocia risk: high. CHIC required tests: PRA (Progressive Retinal Atrophy), Blood Type (for Neonatal Isoerythrolysis).

According to allpets.ai data | Source: allpets.ai
License: CC BY-NC-SA 4.0 | Database Version: 2.5

Cornish Rex

Species: Cat Origin: United Kingdom Size: Small

Basic Information

Species	Cat
Origin	United Kingdom
Size Category	Small
Category	Cat
Original Purpose	Companion

Vital Statistics

Weight Range	2.5–4.5 kg
Height Range	20–30 cm
Lifespan	11–20 years
Juvenile Stage Ends	12 months
Senior Age Threshold	11 years

Adult Preventive Care

Exercise Needs	30 min/day

Health Predispositions (5 conditions)

Condition	Onset Stage	Risk	Hereditary	Screening
Progressive Retinal Atrophy (PRA)	adult	medium	Yes	Recommended
Hypertrophic Cardiomyopathy (HCM)	adult	medium	Yes	Recommended
Autosomal Dominant Polycystic Kidney Disease (AD-PKD)	adult	low	Yes	Recommended
Patellar Luxation	adult	medium	No	N/A
Congenital Hypotrichosis	kitten	low	Yes	N/A

Obesity Management

Risk Level	medium
Ideal BCS	5/9
Daily Activity	30 minutes

Breeding & Genetics

Litter Size	3–5
Dystocia Risk	high
CHIC Required Tests	PRA (Progressive Retinal Atrophy), Blood Type (for Neonatal Isoerythrolysis)

Development

Neonatal Weight	167–375 g

Emotional Wellbeing

Anxiety Proneness	high
Top Triggers	separation, lack of enrichment, changes in routine
Calming Interventions	interactive play sessions, puzzle toys, consistent routine, vertical spaces, pheromone diffusers
Cognitive Dysfunction Risk	low

Behavioral Ethogram

Locomotion	jumping, running, climbing, scaling furniture, walking on a lead
Social	greeting strangers, following owners, interactive play, fetching, vocal communication
Comfort	cuddling, seeking heat sources, lap napping, burrowing under covers
Stress/Displacement	overly vocal, destructive behavior, hiding
Breed-Specific	standing on hind legs, head-bumping hands, cat-loaf position on legs, opening cabinets, using paws to pick up items

Vocalization Baseline

Types	meow, chirp, trill, purr
Tendency	high

AI Communication Decoding

AI-Trainable Signals	large ears movement, arched back posture, tail position, tuck-up visibility, wide eyes, vocalization mouth shape
Context-Dependent Vocalizations	dexterous paw use, high jumping ability, constant human proximity seeking