10 Biggest Dog Breeds in the World

1. English Mastiff

They can weigh anywhere from 110 lbs to 343 lbs. The height of a mastiff can range from 25 inches at the shoulder to 36 inches. They are one of the heaviest dog breeds but not the tallest.

Next Up: Check out all the 10 biggest dog breeds in the world on video with full descriptions of each breed!

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