When you think of puppies, you picture small, cuddly balls of fur. However, at eight-weeks old, puppies weigh anywhere from 6 to 20 pounds, depending on their breed. Those fur balls at the higher end ...

If you're looking for a big dog, you might want to consider a neapolitan mastiff or an American molossus. These are two of the largest dog breeds out there and they have some significant differences.