Breed # Tosa The Tosa is a foundation stock service breed from Japan, standing 24 in at the withers, weighing 83–200 lb. Recorded lifespan is 10–12 yrs. ![A photograph of the Tosa](https://www.woofandbeyond.com/breeds/lg/tosa.webp) Breed group Foundation Stock Service Origin Japan Height 24 in Weight 83–200 lb Lifespan 10–12 yrs Among the 500 breeds here with recorded measurements, the Tosa is taller than 69% of the measured breeds, heavier than 96%, one of 64 in the Foundation Stock Service group, one of 10 from Japan. Compare the Tosa with another breed ## Living with the Tosa Two breed references score every breed they cover from 1 to 5 on the things an owner lives with day to day. These are the Tosa’s, with what a 1 and a 5 mean on each row. Around people and other dogs Affection with family 5 of 5 1 independent · 5 devoted Good with young children 3 of 5 1 not suited · 5 very good Good with other dogs 1 of 5 1 not suited · 5 very good Openness to strangers 1 of 5 1 reserved · 5 everyone is a friend Watchdog / protective nature 5 of 5 1 unbothered · 5 vigilant What they will ask of you Energy 3 of 5 1 couch potato · 5 busy all day Playfulness 3 of 5 1 only when invited · 5 non-stop Barking 3 of 5 1 only to alert · 5 very vocal Around the house Drooling 3 of 5 1 a dry mouth · 5 keep a towel Rated 1 to 5 by the American Kennel Club, and read from their breed pages in 2022. Nobody at Woof & Beyond has met this breed — these are the publishers’ judgments, not ours.[Tosa on AKC](https://www.akc.org/dog-breeds/tosa/) ## Breeds that look like the Tosa A neural network trained to tell breeds apart by sight read all 510 photographs in this reference, and these are the 6 it placed closest to the Tosa. - [![](https://www.woofandbeyond.com/breeds/boxer-dog.webp)Boxer Dog](https://www.woofandbeyond.com/breed/boxer-dog/) - [![](https://www.woofandbeyond.com/breeds/bullmastiff.webp)Bullmastiff](https://www.woofandbeyond.com/breed/bullmastiff/) - [![](https://www.woofandbeyond.com/breeds/dogue-de-bordeaux.webp)Dogue de Bordeaux](https://www.woofandbeyond.com/breed/dogue-de-bordeaux/) - [![](https://www.woofandbeyond.com/breeds/vizsla.webp)Vizsla](https://www.woofandbeyond.com/breed/vizsla/) - [![](https://www.woofandbeyond.com/breeds/hanover-hound.webp)Hanover Hound](https://www.woofandbeyond.com/breed/hanover-hound/) - [![](https://www.woofandbeyond.com/breeds/broholmer.webp)Broholmer](https://www.woofandbeyond.com/breed/broholmer/) Side by side Height 0–38 in 1. Tosa24 in 2. Boxer Dog22–25 in 3. Bullmastiff25–27 in 4. Dogue de Bordeaux24–27 in 5. Vizsla22–25 in 6. Hanover Hound20–22 in 7. Broholmer30 in Weight 0–220 lb 1. Tosa83–200 lb 2. Boxer Dog65–75 lb 3. Bullmastiff110–130 lb 4. Dogue de Bordeaux120–145 lb 5. Vizsla45–66 lb 6. Hanover Hound55–88 lb 7. Broholmer143–198 lb Lifespan 0–20 yrs 1. Tosa10–12 yrs 2. Boxer Dog10–12 yrs 3. Bullmastiff8–12 yrs 4. Dogue de Bordeaux5–8 yrs 5. Vizsla12–14 yrs 6. Hanover Hound10–14 yrs 7. Broholmer10–13 yrs Nothing here was grouped by hand. The ranking is an opinion about appearance, not about ancestry, which is why it sometimes puts together breeds no kennel club would — and why it is worth looking at the photographs rather than taking the order on trust. See the Tosa on the breed map Read about the Tosa on Wikipedia