75% Compatible
Known as the 'Sumo wrestler' of dog breeds in Japan due to their historical fighting heritage.
Ancient Mastiffs were so valued in battle that entire units of Roman armies were dedicated to their care.
Developed in Tosa province, Japan during the 19th century as a fighting dog, combining native Japanese breeds with various Western breeds to create a powerful guardian.
Ancient Roman war dogs evolved into estate guardians across medieval England. These powerful dogs protected estates and served as hunting companions for nobility.
Requires early socialization, consistent training, and secure fencing. Regular joint monitoring and weight management crucial. Moderate grooming needs.
Heat sensitivity requires climate control. Regular monitoring for bloat symptoms essential. Joint support supplements recommended throughout life.