Spanish Mastiff
The Spanish Mastiff is a foundation stock service breed from Spain, standing males 31 in · females 30 in at the withers, weighing 88–176 lb. Recorded lifespan is 10–12 yrs.

- Breed group
- Foundation Stock Service
- Origin
- Spain
- Height
- males 31 in · females 30 in
- Weight
- 88–176 lb
- Lifespan
- 10–12 yrs
Among the 500 breeds here with recorded measurements, the Spanish Mastiff is taller than 98% of the measured breeds, heavier than 96%, one of 64 in the Foundation Stock Service group, one of 8 from Spain.
Breeds that look like the Spanish Mastiff
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 Spanish Mastiff.
Hanover Hound
Fila Brasileiro
Chesapeake Bay Retriever
Vizsla
Griffon Fauve de Bretagne
Dogue de Bordeaux
Height 0–38 in
- Spanish Mastiff31 in
- Hanover Hound20–22 in
- Fila Brasileiro26–30 in
- Chesapeake Bay Retriever24–26 in
- Vizsla22–25 in
- Griffon Fauve de Bretagne20–22 in
- Dogue de Bordeaux24–27 in
Weight 0–220 lb
- Spanish Mastiff88–176 lb
- Hanover Hound55–88 lb
- Fila Brasileiro90–110 lb
- Chesapeake Bay Retriever75–100 lb
- Vizsla45–66 lb
- Griffon Fauve de Bretagne40–48.5 lb
- Dogue de Bordeaux120–145 lb
Lifespan 0–20 yrs
- Spanish Mastiff10–12 yrs
- Hanover Hound10–14 yrs
- Fila Brasileiro9–11 yrs
- Chesapeake Bay Retriever~10 yrs
- Vizsla12–14 yrs
- Griffon Fauve de Bretagne10–12 yrs
- Dogue de Bordeaux5–8 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.
Guides that mention the Spanish Mastiff
Every guide on this site whose text actually discusses this breed.