What is the difference between a British Longhair and a Russian Blue?

The British Longhair is 8–16 lbs sized while the Russian Blue is 7–12 lbs sized. They differ in size (8–16 lbs vs 7–12 lbs), lifespan (12–14 years vs 15–20 years), and care requirements.

Which breed is better with kids, British Longhair or Russian Blue?

British Longhair is generally good with kids. Russian Blue is generally good with kids.

Which breed lives longer, British Longhair or Russian Blue?

The British Longhair has a lifespan of 12–14 years while the Russian Blue has a lifespan of 15–20 years.

British Longhair vs Russian Blue — Breed Comparison

About the British Longhair

The British Longhair is the semi-longhaired variant of the British Shorthair, carrying the recessive longhair gene that has been present in the breed since Persian crosses were used after World War II. This medium-to-large breed weighs 8–18 pounds and has the same round, sturdy build as its shorthaired cousin. Their plush, dense coat comes in a wide array of colors and patterns — including the classic "British Blue" — and features a luxurious ruff around the neck and a full, plumed tail.

Temperament & Personality

British Longhairs are calm, dignified cats that enjoy quiet companionship without being overly demanding. They are tolerant and patient with children, coexist peacefully with other pets, and are content to observe household activities from a comfortable perch. Their relaxed, independent nature makes them ideal for owners who appreciate a cat that is affectionate but not clingy.

Pros

Calm, easygoing temperament — excellent for laid-back households
Tolerant of children and other animals without being easily stressed
Beautiful plush coat with a luxurious, teddy-bear appearance
Independent enough to handle time alone without developing anxiety

Cons

Dense coat requires brushing 2–3 times per week to prevent matting
Prone to obesity and polycystic kidney disease (PKD) from Persian ancestry
Heavy shedding — especially during seasonal coat changes
Can be aloof and may not enjoy being picked up or held

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About the Russian Blue

The Russian Blue is a naturally occurring breed believed to have originated in the port city of Arkhangelsk (Archangel) in northern Russia, arriving in Europe aboard trade ships in the 1860s. This medium-sized cat weighs 7–12 pounds and is renowned for its dense, plush double coat of uniform blue-gray with silver-tipped guard hairs that give it a luminous shimmer. Its vivid emerald-green eyes, wedge-shaped head, and enigmatic "Mona Lisa smile" complete an unmistakably elegant look.

Temperament & Personality

Russian Blues are gentle, reserved cats that are intensely loyal to their families yet cautious around strangers. They are creatures of habit who thrive on routine — eating at the same time, playing in the same spots, and sleeping in their preferred perch. Once bonded, they are affectionate and playful, often fetching toys and entertaining themselves with quiet grace.

Pros

Produces lower levels of the Fel d 1 allergen — better tolerated by some allergy sufferers
Dense double coat is low-shedding and virtually maintenance-free
Quiet and well-mannered — rarely destructive or excessively vocal
Long-lived breed with few genetic health issues — many reach 15–20 years

Cons

Shy and reserved with strangers — may hide during gatherings or parties
Sensitive to change — can become stressed by moves, new pets, or schedule disruptions
Prone to overeating and weight gain if food is left out freely
Can be slow to warm up to new family members or housemates

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British Longhair vs Russian Blue