9. Chow Chow

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With a name like “Chow Chow,” it is easy to overlook the risk. But beneath the fluff is a lion-like bite. The Chow Chow’s distinctive black tongue sits between powerful jaws. Their bite force is 220 psi, and in China they are called the “Puffy Lion Dog.” Without socialization, these fluffy dogs can become overly protective or violent.