Around 250psi. They don't make the top-20 list. 20 Dog Breeds With The Strongest Bite Force. I've seen articles that place the bite force between 2000–9000psi. Just to illustrate how wildly inaccurate this is, a full grown hippo has the most ferocious bite on the planet at 2000psi. A chihuahua is no hippo. read more
Yes a Chihuahua can bite you. A Chihuahua will also attempt to intimidate you by acting bigger than their actual size, this is called the Napoleon Syndrome. read more