Are Mastiffs aggressive?
![Are Mastiffs aggressive?](/_next/image?url=https%3A%2F%2Fimages.ctfassets.net%2Fscac5p2hkp4h%2F5MjPNDxmUosK08DrVUIFl6%2F29f9c38080ed1fa881f2cee9208fcaa6%2FMastiff-FF.jpg&w=1200&q=75)
No, Mastiffs are not aggressive by nature, but they have protective instincts due to their history as guardians and working dogs. Proper socialization, training, and responsible pet parenting are essential to ensure that these instincts are channeled appropriately and the dog remains well-behaved.