20+ Dog Breeds That Have A Short Lifespan

The Bernese Mountain Dog is a large dog breed that is cute with a tri-colored coat. Though they are known as a strong breed, their average lifespan is 7 - 10 years.

Mastiff is considered the largest dog breed in the world that can weigh 220 pounds or more. This dog breed is also popular and has an average lifespan of 6 - 10 years.

The Dogue de Bordeaux or French Mastiff is a large dog breed that is affectionate and loyal. Despite their powerful appearance, they are quite gentle. This dog’s average lifespan is 5 - 8 years.