Breed

# 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.

![A photograph of the Spanish Mastiff](https://www.woofandbeyond.com/breeds/lg/spanish-mastiff.webp)

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.

Compare the

Spanish Mastiff

with another breed

## Living with the Spanish Mastiff

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 Spanish Mastiff’s, with what a 1 and a 5 mean on each row.

Around people and other dogs

Affection with family

4 of 5

1 independent · 5 devoted

Good with young children

4 of 5

1 not suited · 5 very good

Good with other dogs

2 of 5

1 not suited · 5 very good

Openness to strangers

2 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

Exercise needs

3 of 5

1 a short walk · 5 a job to do

Playfulness

3 of 5

1 only when invited · 5 non-stop

Barking

1 of 5

1 only to alert · 5 very vocal

Around the house

Shedding

3 of 5

1 barely · 5 constantly

Drooling

4 of 5

1 a dry mouth · 5 keep a towel

What they tolerate

Tolerates being alone

3 of 5

1 poorly · 5 well

Tolerates hot weather

3 of 5

1 poorly · 5 well

Tolerates cold weather

4 of 5

1 poorly · 5 well

Rated 1 to 5 by the American Kennel Club and DogTime, averaged where both rate the same thing, and read from their breed pages in 2022. Nobody at Woof & Beyond has met this breed — these are the publishers’ judgments, not ours.[Spanish Mastiff on AKC](https://www.akc.org/dog-breeds/spanish-mastiff/)[Spanish Mastiff on DogTime](https://dogtime.com/dog-breeds/spanish-mastiff)

## 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.

- [![](https://www.woofandbeyond.com/breeds/hanover-hound.webp)Hanover Hound](https://www.woofandbeyond.com/breed/hanover-hound/)
- [![](https://www.woofandbeyond.com/breeds/fila-brasileiro.webp)Fila Brasileiro](https://www.woofandbeyond.com/breed/fila-brasileiro/)
- [![](https://www.woofandbeyond.com/breeds/chesapeake-bay-retriever.webp)Chesapeake Bay Retriever](https://www.woofandbeyond.com/breed/chesapeake-bay-retriever/)
- [![](https://www.woofandbeyond.com/breeds/vizsla.webp)Vizsla](https://www.woofandbeyond.com/breed/vizsla/)
- [![](https://www.woofandbeyond.com/breeds/griffon-fauve-de-bretagne.webp)Griffon Fauve de Bretagne](https://www.woofandbeyond.com/breed/griffon-fauve-de-bretagne/)
- [![](https://www.woofandbeyond.com/breeds/dogue-de-bordeaux.webp)Dogue de Bordeaux](https://www.woofandbeyond.com/breed/dogue-de-bordeaux/)

Side by side

Height 0–38 in

1. Spanish Mastiff31 in
2. Hanover Hound20–22 in
3. Fila Brasileiro26–30 in
4. Chesapeake Bay Retriever24–26 in
5. Vizsla22–25 in
6. Griffon Fauve de Bretagne20–22 in
7. Dogue de Bordeaux24–27 in

Weight 0–220 lb

1. Spanish Mastiff88–176 lb
2. Hanover Hound55–88 lb
3. Fila Brasileiro90–110 lb
4. Chesapeake Bay Retriever75–100 lb
5. Vizsla45–66 lb
6. Griffon Fauve de Bretagne40–48.5 lb
7. Dogue de Bordeaux120–145 lb

Lifespan 0–20 yrs

1. Spanish Mastiff10–12 yrs
2. Hanover Hound10–14 yrs
3. Fila Brasileiro9–11 yrs
4. Chesapeake Bay Retriever~10 yrs
5. Vizsla12–14 yrs
6. Griffon Fauve de Bretagne10–12 yrs
7. 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.

- [How Many Toes Does a Dog Have?](https://www.woofandbeyond.com/how-many-toes-does-a-dog-have/)

See the

Spanish Mastiff

on the breed map

Read about the

Spanish Mastiff

on Wikipedia
