Spanish Mastiff

The Spanish Mastiff, also known as Mastín Leones, is an ancient breed of guard and working dogs originating in Spain.

General details

The weight of an adult Spanish Mastiff can vary between 60 and 100 kilograms, depending on sex and individual constitution. In terms of height, males measure around 77 to 85 centimeters at the withers, while females are slightly smaller, with a height of approximately 72 to 80 centimeters. Their life expectancy is 10 to 12 years. According to the Fédération Cynologique Internationale (FCI), it belongs to Group 2, which includes Pinscher and Schnauzer type dogs, Molosser and mountain type dogs, and Swiss Cattle Dogs.

Breed history in brief

The Spanish Mastiff, an ancient breed of dog originating from the Iberian Peninsula, has played a crucial role throughout history. Its origin dates back thousands of years, where it was used as a protector of herds and guardian of properties. Its evolution has been shaped through selective crossbreeding to improve its guarding characteristics and adaptability to climate and terrain. In today's society, the Spanish Mastiff continues to play its traditional role as a guard dog, although it is also appreciated as a loyal and friendly companion. Its imposing presence and calm nature make it a popular family dog in many parts of the world.

Breed characteristics

His appearance is imposing, with a large, massive head, drooping triangular ears and small, dark eyes. He has a muscular build and a straight back. The coat is dense, thick and rough in texture. It has a tough outer coat and a soft undercoat. The most common colors include fawn, brindle, black and gray. Some specimens may have white patches on the chest and limbs. The Spanish Mastiff is a dog with a calm and balanced temperament. They are courageous, loyal and protective of their family and territory. Although they can be reserved with strangers, they are gentle and affectionate with their loved ones. They require early socialization and proper training to develop their potential as reliable companions.

Common health problems

Some of the most common diseases in this breed include hip and elbow dysplasia, gastric torsion, eye diseases such as ectropion and entropion, as well as heart disease such as aortic stenosis.