Giant Schnauzer vs Irish Water Spaniel

Choosing between Giant Schnauzer and Irish Water Spaniel? These two are closely matched on size and energy, so your decision comes down to the finer points — grooming, shedding, trainability and how each fits your household. Below we break down exactly how the two breeds compare on the things that shape daily life with a dog, so you can see which one is the better fit for your home, family and routine.

Giant Schnauzer vs Irish Water Spaniel: full comparison

TraitGiant SchnauzerIrish Water Spaniel
SizeLargeLarge
Energy levelHighHigh
TrainabilityHighMedium
FriendlinessMediumMedium
Good with childrenMediumMedium
Grooming needsVery HighVery High
SheddingLowLow
BarkingMediumMedium
ProtectivenessVery HighMedium
AdaptabilityMediumMedium
Typical lifespan12 years12 years
HypoallergenicNoYes

Key differences at a glance

Size and living space

The Giant Schnauzer is a big, substantial dog that does best in a larger home with room to stretch out, ideally with access to a yard. By comparison, the Irish Water Spaniel is a big, substantial dog that does best in a larger home with room to stretch out, ideally with access to a yard. Because they are a similar size, neither has a clear space advantage — both will suit the same kind of home.

Exercise and energy needs

The Giant Schnauzer needs a good deal of daily exercise — long walks, running or vigorous play. The Irish Water Spaniel needs a good deal of daily exercise — long walks, running or vigorous play. Their exercise needs are broadly the same, so this is unlikely to be a deciding factor.

Grooming and shedding

The Giant Schnauzer demands daily coat care plus professional grooming to stay in shape and drops very little hair. The Irish Water Spaniel demands daily coat care plus professional grooming to stay in shape and drops very little hair. The Irish Water Spaniel is also considered hypoallergenic, an advantage for allergy sufferers. Grooming upkeep is similar for both.

Temperament, training and family life

The Giant Schnauzer takes to training fast and works willingly, barks a moderate amount, usually with reason and gets on with children when raised around them. The Irish Water Spaniel picks things up at a fair pace with steady practice, barks a moderate amount, usually with reason and gets on with children when raised around them. On guarding instinct, Giant Schnauzer is a formidable natural guardian with a strong protective drive, whereas Irish Water Spaniel will let you know someone is at the door without being aggressive.

Which is better for…

Which should you choose?

Choose the Giant Schnauzer if you want a more protective, watchful guardian or you want an easier dog to train.

Choose the Irish Water Spaniel if you need a hypoallergenic, low-dander coat.

Not sure which breed is right for you?

Take the free DoggyQ quiz and get a personalized match from 321 breeds based on your lifestyle, home and preferences — plus a full report on what living with that breed actually costs.

Find your perfect match

Frequently asked questions

Is the Giant Schnauzer or the Irish Water Spaniel better for families with children?
Both the Giant Schnauzer and the Irish Water Spaniel are considered good with children when properly socialized and supervised.
Which sheds more, the Giant Schnauzer or the Irish Water Spaniel?
The Giant Schnauzer and Irish Water Spaniel shed a similar amount (low).
Which is easier to train, the Giant Schnauzer or the Irish Water Spaniel?
The Giant Schnauzer is generally the easier of the two to train, making it a better pick for less experienced owners.
Is Giant Schnauzer or Irish Water Spaniel bigger?
Giant Schnauzer and Irish Water Spaniel are a similar size (Large).
Which barks more, Giant Schnauzer or Irish Water Spaniel?
Both bark a similar amount (medium).
Which is better for apartment living, Giant Schnauzer or Irish Water Spaniel?
For apartment or apartment living, Giant Schnauzer and Irish Water Spaniel are an even match — either can work well.

Related guides