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Heaviest Dog Breed — Mastiff

Weighing in on average at a whopping 200 pounds, the Mastiff probably weighs more than you do. While he’s a massive and extremely powerful dog, he’s also a classic gentle giant who loves his family and will try his best to snuggle with you on the couch.

(Sally Anne Thompson, Animal Photography)

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The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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