Maine Coon Cat Breed: Size, Appearance & Personality. Maine Coon cats are generally very healthy; in fact, the oldest cat in the world is a Maine Coon named Rubble, who reached the age of 31 in 2020. That's almost 150 human years! Certain individuals may suffer from health problems including hip dysplasia and feline hypertrophic.

Maine Coon Cat Information and Personality Traits. Weight range: Male: large: >12 lbs. Female: medium: 8-12 lbs. Eye color: Expectations: Coat: Length:.