Weight : Male: 11 - 15 pounds, Female: 8 - 12 pounds Colors: Seal point, Chocolate point, Blue point, Lilac point Life Span: 12-15 years

Siamese are usually very affectionate and intelligent cats, renowned for their social nature. Many enjoy being with people and are sometimes described as extroverts. Often they bond strongly to a single person. Some Siamese are extremely vocal, with a loud, low-pitched voice known as Meezer, from which they get one of their nicknames that has been compared to the cries of a human baby, and persistent in demanding attention. These cats are typically active and playful, even as adults, and are often described as more dog-like in behavior than other cats. Siamese cats, due to their desire to be near people or other cats, occasionally suffer from depression if left alone for long periods of time, and it is for this reason that Siamese cats are often bought in pairs so that they can keep each other company.

Based on Swedish insurance data, which tracked cats only up to 12.5 years, Siamese and Siamese-derived breeds have a higher rate of mortality compared to other breeds. The median lifespan of the Siamese group was somewhere between 10 and 12.5 years. 68% lived to 10 years or more and 42% to 12.5 years or more. Siamese Scooter holds the record as the world's oldest male cat, dying at the age of 30. The majority of deaths were caused by neoplasms, mainly mammary tumors. The Siamese also has a higher rate of morbidity. They are at higher risk of neoplastic and gastrointestinal problems but have a lower risk of feline lower urinary tract disease. Vet clinic data from England shows a higher median lifespan of 14.2 years.