Nebelung are medium sized cats originating from the United States. They are also known as Longhaired Russian Blue. They have distinctive big round eyes with yellow iris. The males grow up to 11 pounds and females up to 9 pounds. its coat is long and renders it a puffed look. It has a silky texture with a thick undercoat commonly found in blue and silver gray colors. They are affectionate and intelligent. They are aloof of strangers. They get along well with children and are fond to be in company of their owners. They make excellent house pets and lap cats.