Petopedia
A Siamese cat

Siamese

Thailand

Size
Medium
Weight
2.5–5.5 kg
Life expectancy
12–18 yrs
  • vocal
  • social
  • intelligent
  • demanding
Energy4 of 5
Grooming needs1 of 5
Sociability5 of 5

Weights are typical adult ranges; individual cats vary.

About the Siamese

The Siamese is an ancient breed from Thailand, once known as Siam, and appears in old Thai manuscripts. It reached the West in the late nineteenth century. Over the years breeding produced two types: the very slender modern show cat and the rounder traditional or 'applehead' type. All have the colourpoint pattern and vivid blue eyes.

Temperament

Highly vocal, social and intelligent. Siamese are opinionated and tend to bond deeply with their people, wanting constant interaction. They can become unhappy or noisy when bored or alone.

Play & activity

Very active. Daily play, puzzle toys, climbing space and harness walks can help. Many enjoy a feline companion.

Grooming

The short, fine coat needs only a weekly brush or rub to remove loose hairs.

Care & wellbeing

Known health issues in some lines include progressive retinal atrophy, amyloidosis, and dental and respiratory problems. Many prefer company, so long absences can be stressful.

Daily needs at a glance

For a typical 4 kg adult
Water
160 ml–240 ml
a day
Energy
≈ 240 kcal
a day, neutered adult
Active play
30–45 min
a day
Grooming
An occasional brush is plenty

Starting points from the same formulas as our calculators. Your pet's age, weight, activity and food all change the numbers. Work it out for your pet

Living with a Siamese

Shedding2 of 5
Good with children4 of 5
Apartment living4 of 5

Typical tendencies for the breed. Upbringing, training and the individual matter as much.

History

The Siamese is one of the oldest recognised Asian breeds, originating in Thailand (once Siam). Its pointed coat and blue eyes captured Western attention. It is vocal, intelligent and very attached to its people.

Health

The breed can be prone to

Health tests to ask a breeder about

  • PRA DNA test
  • Heart scans for HCM

Not every Siamese is affected, and this isn't a diagnosis. Read about common conditions and when to see a vet.

Cost to keep

About average
  • Moderate food and insurance costs
  • Little or no professional grooming needed
  • A 12–18 year commitment
  • Budget for breed-related health checks or insurance

A relative guide, not a price — costs vary a lot by country, insurer and lifestyle.

Is a Siamese right for you?

Could suit

  • Homes with time for lots of interactive play
  • People who'd rather not spend much time grooming
  • People who want an affectionate, people-focused cat

Think twice if

  • The cat will be alone and unoccupied for long stretches

Common questions

How big does a Siamese get?

Adult Siameses typically weigh around 2.5–5.5 kg. Individuals vary, and males are often larger than females.

How long do Siameses live?

Typically 12–18 years. Keeping them lean, active and up to date with vet checks gives the best chance of a long, healthy life.

How active is a Siamese?

Expect to spend around 30–45 minutes a day on play, ideally in short sessions with toys they can chase and pounce on.

How much grooming does a Siamese need?

An occasional brush is plenty. Check ears, teeth and nails as part of the routine.

Are Siameses affectionate?

Typically very people-focused and affectionate. Every cat is an individual, and early handling shapes how sociable they become.

Do Siameses shed?

A little. Regular brushing keeps loose hair under control.

Are Siameses good with children?

They usually do well with children. Always supervise young children with any cat, and teach them to give the cat space.

Can a Siamese live in a flat?

Usually, yes — with plenty of play, climbing space and enrichment.

What health problems do Siameses have?

The breed can be prone to progressive retinal atrophy (pra), amyloidosis, dental disease. Not every Siamese is affected — ask a breeder about health testing, and your vet about what to watch for.

Written by Petopedia as general guidance, not veterinary advice.