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.

- 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.
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.
Height 0–38 in
- Tosa24 in
- Boxer Dog22–25 in
- Bullmastiff25–27 in
- Dogue de Bordeaux24–27 in
- Vizsla22–25 in
- Hanover Hound20–22 in
- Broholmer30 in
Weight 0–220 lb
- Tosa83–200 lb
- Boxer Dog65–75 lb
- Bullmastiff110–130 lb
- Dogue de Bordeaux120–145 lb
- Vizsla45–66 lb
- Hanover Hound55–88 lb
- Broholmer143–198 lb
Lifespan 0–20 yrs
- Tosa10–12 yrs
- Boxer Dog10–12 yrs
- Bullmastiff8–12 yrs
- Dogue de Bordeaux5–8 yrs
- Vizsla12–14 yrs
- Hanover Hound10–14 yrs
- 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.





