There are 38 dog breeds often labeled the most dangerous worldwide. Wonder which dogs top current lists of the so called most dangerous? Curious about the highest risk breeds? Any dog can injure, yet some lines react poorly without proper guidance. Owners benefit from spotting stress signals early. With sound training most dogs can shed bad habits. Still you must accept the duty and risk that come with ownership. Here is a concise guide to the breeds most frequently cited for serious incidents.