That would be the English Mastiff weighing +200 lbs!
the great dane is the tallest dog breed while the Bullmastiff is the heaviest dog breed.
The heaviest breed of dog is Neapolitan Mastiff. The tallest breed of dog is the Irish Wolfhound. A popular breed, the Labrador, is actually a medium-sized dog.
The Irish Wolfhound is the tallest breed of dog, but not the heaviest.
English mastiff, I think
St. Bernard.- heaviest Great dane largest
The tallest breed of dog is the German Great Dane. However, the heaviest breed is the Swiss St. Bernard.The smallest dog ever is the Chihuahua from Mexico. It is also the lightest breed of dog.The smallest dog breed on average is the chihuahua at 5-7 inches tall. The largest dog breed on average is the Irish Wolfhound at 34-36 inches tall.
The world's rarest dog breed is the New Guinea Singing Dog.
One of the heaviest goat breeds in the world is the Anglo Nubian. It is also the tallest. The males of this breed weigh as much as 309 pounds.
1987 pounds
NewFound land and the Masstieff
The Most Popular Breed of Dog is the Labrador Retriever.
The Affenpinscher is the second smallest breed of Dog.