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Vetstreet.com: 13 Largest Dog Breeds

3 of 15

Mastiff

It’s possible that this breed’s name comes from the Latin word massivus, meaning massive. It’s certainly an appropriate description for a dog with a minimum height of 30 inches at the shoulder for males and 27.5 inches for females. Mastiffs have a weight range of 120 to 200 pounds or more.

(Credit: Sally Anne Thompson, Animal Photography)
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