Mastiffs rank 37th out of 200 in terms of popularity among American Kennel Club breeds, thanks in part to their affectionate nature and ability to get along well with other dogs and children.
Essentially its breathing is compromised. There are 24 dog breeds with brachycephalic conformation, with some breeds much more severely affected than others. Typically, the flatter the face ...
Sure, they may not rank as the fastest dog breeds, but the way they waddle across the room to get some snuggles from you, and the way their entire torsos wiggle back and forth when they greet you ...
Geneticists are still on the hunt for an explanation. In this age of modern domestication, why are the largest dog breeds up to 40 times bigger than the smallest? While the answer remains unclear ...