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Aussimastiff
The Aussimastiff is a steady, loyal hybrid that blends the Australian Shepherd’s alert intelligence with the Bullmastiff’s calm, protective presence. They’re typically affectionate with family, naturally watchful, and happiest when they have a clear job to do, though they usually mature into a more composed companion than the average Aussie. With proper socialization, they can be gentle and dependable around children, while still keeping a strong guardian instinct and a moderate, manageable energy level.
Height
53-65 cm
Weight
28-48 kg
Lifespan
10-13 years
Coat
Double - Short-Medium
Personality Traits
Energy
3
Trainability
4
Shedding
4
Grooming
3
Affection
4
Good with Kids
4
Good with Dogs
3
Barking
3
Adaptability
3
Playfulness
3
Watchdog
5
Coat: DoubleLength: Short-Medium
Health Considerations
Hip DysplasiaBloatElbow DysplasiaCataractsCollie Eye Anomaly
Ancestry Tree

Australian Shepherd
Pure×

Bullmastiff
Pure