You won’t believe the size of the world’s largest dog breeds! Though there is no universal height or weight at which a dog breed is officially classified as a big dog, some groups define giant dog breeds as those heavier than 100 pounds (45 kg). The heaviest dog ever recorded was a St. Bernard named Benedictine who weighed 366 pounds (166 kg)! But despite their threatening body proportions, most of the biggest dog breeds make excellent family pets. Thinking of owning a big dog or curious to know which are the largest dog breeds? Then take a look at the 25 of the world’s largest dog breeds.
Caucasian shepherd dog
Popular in Russia, Armenia, Azerbaijan, Georgia, and Northern Caucasian area, the Caucasian shepherds are strongly-boned, muscular dogs referred to as molossers. Measuring about 70 centimeters (28 inches) for females and 75 centimeters (30 inches) for males, these large dogs are definitely not lap dogs.
The English mastiff is one of the largest dog breeds in the world, especially in terms of body mass. The first mentions of these massive dogs date back to as early as the 6th century BC. During the Roman conquest of England, the loyalty and strength of mastiff impressed even Caesar. A typical male can weigh up to 250 pounds (113 kg), but the heaviest mastiff ever recorded was a jaw-dropping 343-pound (156 kg) dog called Zorba who was the world´s heaviest and longest dog during its time.
Originally bred and used as a work-dog for fishermen, the Newfoundland is a huge, intelligent dog famous for his excellent swimming abilities. In fact, some of them are even used as Search And Rescue (SAR) dogs! Newfoundlands are usually black but can also be brown, white or grey. Some Newfoundland males have been known to weigh over 90 kg (200 lb.) with the largest on record weighed 120 kg (260 lbs).
Sometimes referred to as ‘mop dog,’ the Komondor is a long-established powerful big dog breed that has been used to guard livestock and other property. Easily recognizable thanks to its distinctive long and corded coat, Komondor comes from Hungary where it has been declared one of its national treasures, to be preserved and protected from modification. Females usually reach a height of about 28 inches (70 cm) and weigh in up to 110 pounds (50 kg), males are slightly larger, averaging at 31.5 inches (80 cm) high and weighing up to 130 pounds (60 kg).
The Scottish Deerhound, or simply the Deerhound, is a tall breed of hound once bred to hunt the red deer. Its antecedents were kept by the Scots and Picts (tribal people living in today U.K.), and used to help in the hunt for hoofed game. Males can be over 32 inches (80 cm) tall, and weigh up to 110 pounds (50 kg). Females´ height is usually about 28 inches (70 cm), weight ranges from 75 to 95 pounds (35–43 kg).