The English mastiff is the biggest. A full grown male can be up to 30 inches tall and weigh more than 200 pounds.
The Irish Wolfhound is the tallest breed of dog, but not the heaviest.
The largest short-haired dog breed in terms of size and weight is the Great Dane.
The dog breed with the largest brain size is the Newfoundland. This breed is known for its intelligence and strong work ethic.
Chihuahua is the smallest breed of Dog, whilst the Irish Wolfhound is the largest.
The Great Dane is the second tallest dog breed, smaller only than the Irish Wolfhound.
The largest breed of dog is the Irish Wolfhound, growing to about 3 feet tall.
Large dog breeds include:Great DanesMastiffsWolfhoundsSt. BernardsGreat Pyrenees
the largest dogs are great danes
St. Bernard.- heaviest Great dane largest
Chihuahua
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.
old english mastiff