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.

In this video, we'll explore the differences between the neapolitan mastiff and the American molossus and help you decide which is the right breed for you. We'll discuss their history, personality, and some of the key differences between them. After watching this video, you'll have a better understanding of these two big dog breeds and which is the right one for you!