Breeds
Mini Australian Shepherd: Temperament, Size, Lifespan & Care
A mini Australian Shepherd is a smart, energetic, affectionate herding dog in a smaller package, and it still has the brain and drive of a working dog. The AKC registers it as the Miniature American Shepherd, a separate breed from the Australian Shepherd. Expect a devoted family dog that needs daily exercise, training and grooming, and that may try to herd the children. Here is what to know about size, lifespan, health and care.
By Matt GarnettUpdated November 14, 20264 min read3 sources
Mini Aussie or Miniature American Shepherd?
The dogs most people call mini Aussies are recognized by the AKC as the Miniature American Shepherd, a Herding Group breed recognized in 2015 and developed in the United States. It is its own breed with its own standard, not a size variety of the Australian Shepherd.
Toy and teacup Aussies are not AKC breeds or varieties. If a seller uses those words, ask what the parents measure and weigh, whether they are registered, and what health testing they have had. Whatever the seller calls it, buy gear for the dog's real measurements, starting with a harness chosen for Aussie-type builds.
Temperament and personality
The AKC rates the Miniature American Shepherd five out of five for affection with family, energy, trainability and mental stimulation needs, and five out of five with young children and other dogs. It describes the breed as intelligent and willing to please.
Openness to strangers is three out of five, so many are reserved with new people at first and warm up with time. Like their larger cousins, they love a job and a person to do it with, and they can find their own work, such as herding or barking, when bored.
How big do mini Australian Shepherds get?
According to the AKC, males stand 14 to 18 inches at the shoulder and females 13 to 17 inches, and the breed weighs 20 to 40 pounds. That puts it well below the Australian Shepherd, whose males reach 20 to 23 inches and 50 to 65 pounds.
The medium-length double coat comes in colors including merle. Keep an eye on weight; a fit dog has a visible waist and ribs you can feel easily under a light layer of fat.
Lifespan and common health issues
The AKC gives a Miniature American Shepherd lifespan of 12 to 13 years and calls the breed generally healthy. Regular vet checkups and parasite control, the AKC notes, help ensure a long, healthy life.
The AKC's recommended tests for breeding dogs are hip and eye evaluations and DNA tests for neuroaxonal dystrophy, hereditary cataracts, progressive retinal atrophy and MDR1 multidrug sensitivity. The MDR1 variant can cause serious reactions to some common medicines, so tell every vet the breed and ask whether to test before new medications. Ask breeders for these results on both parents.
Exercise needs
The AKC calls the breed active and athletic, needing a moderate amount of exercise, and very adaptable to its family's way of life, including the city, as long as it gets enough activity. Outings that occupy both mind and body suit it best.
Daily walks plus fetch, frisbee, herding-style toys, scent games or training keep most adults content. Many excel at obedience, agility and tracking, according to the AKC. Wait until a puppy has finished growing before long runs, and ask your vet when that is.
Grooming and shedding
The AKC says the double coat sheds a fair amount, more during shedding season once or twice a year, and rates shedding three out of five. Weekly brushing, daily during a shed, removes dirt and loose hair, and a slicker brush or metal comb works out tangles.
Check behind the ears and the feathering on the legs and rear, where mats start. Trim nails regularly, as the AKC advises, and brush teeth. Baths are needed only occasionally.
Training a mini Australian Shepherd
Intelligent and willing to please, the Miniature American Shepherd is highly trainable, the AKC says, and reaches its best as a companion when taught at least basic obedience. Early socialization and puppy classes are recommended.
Use reward-based training and keep it varied so a clever dog does not get bored. Redirect herding nips toward toys, practice a reliable recall and a settle on a mat, and introduce new people gradually to build confidence.
Good with kids and other pets?
The AKC rates the breed five out of five with young children and with other dogs, so most are excellent family companions. Herding instinct may show up as circling or nipping at running children, so supervise and teach calm games.
They often try to herd cats and other pets too. Early, calm introductions, a safe retreat for the cat and plenty of daily activity for the dog help keep the peace, and most settle into a multi-pet home well.
What a mini Australian Shepherd needs at home
Useful kit includes a secure fence, a harness and a long training line, a crate for rest, puzzle feeders, balls and herding toys, and a slicker brush, metal comb and nail clippers.
Book a vet visit soon after bringing your dog home and ask about the MDR1 test, vaccines and a safe exercise plan for a growing puppy.
This page is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your pet.
Common questions
How big does a mini Australian Shepherd get?
The AKC lists the Miniature American Shepherd at 14 to 18 inches for males and 13 to 17 inches for females, and 20 to 40 pounds.
How long do mini Australian Shepherds live?
The AKC gives a lifespan of 12 to 13 years. Daily exercise, a lean weight, regular vet care and screening for inherited eye problems help them stay healthy.
What is a mini Australian Shepherd's temperament like?
Affectionate, smart, energetic and eager to please, though often reserved with strangers at first. They need daily exercise, mental work and training to stay settled and happy.
Do mini Australian Shepherds shed?
Yes, a fair amount, and more during seasonal sheds. Weekly brushing, and daily brushing while shedding, keeps loose hair, mats and tangles under control. Individual dogs vary, so meeting the parents, or the adult dog itself, is the best guide.
Sources we checked
This guide is general information, not veterinary advice. If your pet is unwell or injured, contact your veterinarian.



