The World's Biggest Dogs

The biggest dogs are mastiffs, which originate from ancient Roman war dogs and can be 160 to 230 pounds.
Have you ever stopped to wonder what is the biggest dogs in the world? Before you can make a list, you must define what you mean by biggest. While some dog breeds are exceptionally tall, if you specify the biggest dogs in the world as the heaviest, then here is your final tally. In compiling this list, only breeds recognized by the American Kennel Club were considered. Then, we made the list based on the lowest weight acceptable for a male of that breed. Here are the biggest canines in the world. Where there was a tie, the greater lowest acceptable weight was given the higher placing.