Catahoula Mixed With Australian Shepherd: Complete Breed Profile
Everything you need to know about the Catahoula mixed with Australian Shepherd: size, temperament, coat types, health risks, cost.
The Catahoula mixed with Australian Shepherd is a high-drive, intensely intelligent cross between two of America's most capable working dogs. Sometimes called the "Catahoula Aussie Mix" or "Aussiehoula," this designer blend pairs the Louisiana Catahoula Leopard Dog's herding instinct and striking merle coat with the Australian Shepherd's agility, trainability, and devotion. The result is a dog built for action — but one that demands an owner who can match its energy and mental needs.
Unlike heavily standardized designer breeds such as the Labradoodle, the Catahoula-Australian Shepherd mix is still relatively uncommon. That means individual puppies can vary dramatically in appearance, size, and temperament depending on which parent's genes dominate. This guide breaks down exactly what prospective owners should expect, including the traits that are predictable and the ones that are a complete coin flip.
Understanding Generations: F1, F1B, F2, and Multigen
Because this mix is not yet an established designer breed with multi-generation breeding programs, most Catahoula-Australian Shepherd crosses you'll encounter are F1 (first-generation) — meaning one purebred Catahoula parent and one purebred Australian Shepherd parent. F1 puppies tend to show the widest variation in traits because each pup inherits a random mix of genes from two genetically distinct breeds.
F1B (backcross) puppies — bred from an F1 mix and one purebred parent — are rare in this pairing but would lean more heavily toward whichever parent breed was used in the backcross. F2 (two F1 parents bred together) and multigen (multiple generations of mixed-to-mixed breeding) are virtually nonexistent for this cross as of 2026. If a breeder claims to sell multigen Catahoula Aussie mixes, ask for documented pedigree proof — it's more likely a mislabeled or multi-breed mix.
Parent Breed Breakdown: What Each Side Brings
To understand what a Catahoula mixed with Australian Shepherd might be like, you need to know the two foundation breeds. Here's a side-by-side comparison based on AKC breed standards and UKC standards for the Catahoula (note: the Catahoula is recognized by the UKC but not yet fully by the AKC as of 2026).
| Trait | Louisiana Catahoula Leopard Dog | Australian Shepherd |
|---|---|---|
| Origin | Louisiana, USA — descended from Native American dogs crossed with European herding breeds and possibly red wolves | Western United States — developed from Basque herding dogs brought via Australia |
| AKC/UKC Group | UKC Herding Group; AKC Foundation Stock Service | AKC Herding Group |
| Weight Range | 50–95 lb (23–43 kg) | 40–65 lb (18–29 kg) |
| Height Range | 20–26 in (51–66 cm) | 18–23 in (46–58 cm) |
| Coat | Short to medium, single coat; minimal undercoat | Medium-length, double coat with dense undercoat |
| Color Patterns | Blue merle, red merle, solid black, solid red, brindle, patched | Blue merle, red merle, black tri, red tri |
| Energy Level | Very high — bred to work all day in rough terrain | Very high — bred for sustained herding activity |
| Temperament | Independent, assertive, protective, aloof with strangers | Eager to please, biddable, velcro-attached to family, reserved with strangers |
| Trainability | Moderate — intelligent but strong-willed; needs a confident handler | High — consistently ranked among the most trainable breeds |
| Lifespan | 10–14 years | 12–15 years |
Both breeds share herding heritage, merle coat genetics, and an almost tireless work ethic. Where they differ most is in handler focus: Aussies are famously handler-oriented and responsive, while Catahoulas are more independent thinkers who may question commands they see as pointless.
Size Range: How Big Will a Catahoula Aussie Mix Get?
Because the Catahoula is typically the larger parent, the size of a Catahoula mixed with Australian Shepherd depends heavily on which parent's growth genes dominate, the sex of the puppy, and nutrition during development.
| Size Category | Weight | Height at Shoulder |
|---|---|---|
| Small end of range (typically females, Aussie-dominant) | 35–50 lb (16–23 kg) | 18–21 in (46–53 cm) |
| Average range | 45–70 lb (20–32 kg) | 20–24 in (51–61 cm) |
| Large end of range (typically males, Catahoula-dominant) | 65–90 lb (29–41 kg) | 23–26 in (58–66 cm) |
Most Catahoula Aussie mixes land in the 50–70 lb (23–32 kg) range by adulthood. Males tend to be 10–15 lb heavier than females. Puppies typically reach their full height by 12–14 months but continue filling out in chest and muscle mass until 18–24 months. Feed a large-breed puppy formula (look for AAFCO growth-statement compliance) to support controlled bone development and reduce orthopedic risk.
Coat Type and Grooming: What to Expect
Coat inheritance in this mix is one of the most variable traits. The Catahoula parent typically contributes a short, single-layer coat with minimal undercoat, while the Australian Shepherd parent carries genes for a medium-length, double coat with a dense, weather-resistant undercoat.
Possible Coat Outcomes
- Catahoula-dominant coat: Short, sleek, single-layered. Low maintenance — weekly brushing with a rubber curry brush (such as the Kong ZoomGroom) is usually sufficient. Moderate shedding year-round with slight seasonal increases.
- Aussie-dominant coat: Medium-length, feathering on legs and tail, dense undercoat. Requires brushing 2–3 times per week with a slicker brush and undercoat rake. Heavy seasonal shedding ("blowing coat") in spring and fall lasting 2–4 weeks.
- Intermediate coat: Short-to-medium length with some undercoat density. The most common outcome in F1 crosses. Moderate shedding with weekly brushing needs.
Is this mix hypoallergenic or low-shedding? No. Neither parent breed carries the low-shedding coat genes found in Poodles or Bichons. A Catahoula mixed with Australian Shepherd will shed moderately to heavily depending on coat type. This mix is not suitable for people with significant dog dander allergies.
Merle Coat Genetics Warning
Both parent breeds commonly carry the merle gene (M locus). If both parents are merle, there is a 25% chance of producing "double merle" (homozygous merle, M/M) puppies, which are at high risk for congenital deafness, microphthalmia (abnormally small eyes), and other vision defects. Reputable breeders will never intentionally breed merle-to-merle. If you're considering a puppy from this cross, ask the breeder for the coat pattern of both parents and whether genetic testing for the M locus was performed.
Temperament: Best-Case and Challenging Scenarios
Temperament is where the Catahoula-Australian Shepherd mix shows the widest individual variation. Both parent breeds are intelligent, energetic herding dogs, but their approaches to life differ enough that puppies from the same litter can behave quite differently.
Best-Case Temperament Profile
In the best scenario, this mix inherits the Australian Shepherd's handler focus and willingness to learn, combined with the Catahoula's confidence and problem-solving independence. The result is a dog that is:
- Highly trainable and eager to work with you on tasks
- Loyal and deeply bonded to the family unit
- Alert and protective without being aggressive
- Able to settle indoors after adequate exercise
- Good with children when raised with proper socialization
Challenging Temperament Scenarios
Some individuals inherit the Catahoula's strong independence and the Aussie's high reactivity, creating a dog that is:
- Stubborn and difficult to recall off-leash
- Prone to herding behavior directed at children, cats, or bicycles (nipping at heels, chasing)
- Reactive or aloof with strangers and unfamiliar dogs
- Destructive when under-exercised or mentally under-stimulated
- Prone to resource guarding if not addressed early
Early socialization is non-negotiable for this mix. Enroll in a positive-reinforcement puppy class by 12–16 weeks of age (after initial DHPP vaccination series). Focus on counter-conditioning and desensitization to novel people, surfaces, sounds, and other animals. Force-free training methods — using treats, toys, and praise — produce far better results with this sensitive, intelligent cross than any aversive technique.
Exercise Requirements
Plan for a minimum of 90–120 minutes of structured physical and mental activity per day. This should include:
- 45–60 minutes of sustained aerobic exercise (running, hiking, biking alongside a trained dog, flirt pole sessions)
- 30–45 minutes of mental work (obedience training, puzzle feeders like the Kong Classic or Outward Hound Nina Ottosson puzzles, scent work, agility practice)
- Free exploration or sniffari walks for decompression
A backyard alone is not sufficient. These dogs need directed activity with their handler. Without it, expect nuisance behaviors: excessive barking, digging, counter-surfing, and escape attempts.
Health Considerations: Hybrid Vigor vs. Reality
There's a persistent myth that mixed-breed dogs are automatically healthier than purebreds due to "hybrid vigor." While crossbreeding can reduce the risk of breed-specific recessive conditions by increasing genetic diversity, it does not eliminate health risks entirely. A Catahoula mixed with Australian Shepherd can inherit any condition that affects either parent breed.
Inherited Conditions to Screen For
| Condition | Parent Breed Risk | Prevalence Estimate | Screening Method |
|---|---|---|---|
| Hip Dysplasia | Both breeds | ~6–10% in Aussies; ~8–12% in Catahoulas (OFA data) | OFA or PennHIP radiographic evaluation of parents |
| Elbow Dysplasia | Both breeds | ~3–5% across herding breeds | OFA elbow radiographs |
| Progressive Retinal Atrophy (PRA) | Both breeds — prcd-PRA mutation | ~5–8% carrier rate in Aussies | DNA test (Optigen or Paw Print Genetics) |
| Collie Eye Anomaly (CEA) | Australian Shepherd | ~3–5% affected in Aussies | DNA test + veterinary ophthalmologist exam |
| Congenital Deafness | Both breeds (linked to merle and white coat genes) | Higher in double merle dogs; ~2–4% in single merle | BAER (Brainstem Auditory Evoked Response) hearing test |
| MDR1 Drug Sensitivity | Australian Shepherd | ~30–35% of Aussies carry the mutation | DNA test (Washington State University Veterinary Clinical Pharmacology Lab) |
| Epilepsy (Idiopathic) | Both breeds — suspected genetic component | Estimated 2–5% in herding breeds | No genetic test available; diagnosis by exclusion |
MDR1 note: The MDR1 (multidrug resistance) gene mutation affects how dogs metabolize certain medications, including ivermectin (common in some heartworm preventives at higher doses), loperamide (Imodium), and certain chemotherapy drugs. If your Catahoula Aussie mix inherits this mutation from the Australian Shepherd side, standard doses of these drugs can cause severe neurological toxicity. Ask your veterinarian about MDR1 testing before starting any new medication.
Preventive Health Schedule
- Annual wellness exam with weight tracking and body condition score (BCS) assessment
- Core vaccines: DHPP and Rabies per your veterinarian's schedule (typically DHPP at 8, 12, 16 weeks; Rabies at 16 weeks; boosters per local protocol)
- Heartworm prevention: Year-round monthly preventive (e.g., Heartgard Plus, Interceptor Plus) — both breeds are active outdoor dogs at elevated exposure risk
- Flea and tick prevention: Year-round in most U.S. climates (e.g., Bravecto, NexGard, or Simparica Trio)
- Dental care: Daily tooth brushing or veterinary dental cleanings every 1–3 years depending on tartar accumulation
Always consult your veterinarian to develop a preventive care plan tailored to your individual dog's age, weight, activity level, and regional disease risks.
Cost Breakdown: Purchase Price and Annual Care
Acquisition Costs
| Source | Typical Cost Range | What's Included |
|---|---|---|
| Responsible breeder (health-tested parents, AKC/UKC registered) | $800–$1,800 | Health guarantees, initial vaccinations, deworming, microchip, spay/neuter contract, take-back clause |
| Backyard breeder / online listing (untested parents) | $300–$700 | Variable — often no health screening, no guarantees |
| Breed-specific rescue or shelter | $150–$450 | Spay/neuter, vaccinations, microchip, behavioral assessment |
Because this is an uncommon cross, dedicated breeders are scarce. You're more likely to find Catahoula Aussie mixes through herding-breed rescues (such as Australian Shepherd rescue organizations or Catahoula rescue networks) or rural shelters in the Southern and Western U.S. where both parent breeds are popular working dogs.
Estimated First-Year Costs
- Acquisition: $150–$1,800
- Veterinary (initial exams, vaccines, spay/neuter if not included): $600–$1,200
- Food (premium kibble or balanced raw diet, 50–70 lb dog): $480–$900/year ($40–$75/month)
- Preventive medications (heartworm + flea/tick): $200–$400/year
- Training (puppy class + intermediate obedience): $300–$800
- Supplies (crate, leash, harness, puzzle toys, grooming tools): $200–$500
- Pet insurance (recommended for active working breeds): $400–$700/year (e.g., Trupanion, Healthy Paws, or Lemonade)
Total estimated first-year cost: $2,330–$6,300, depending primarily on acquisition source and your region's veterinary pricing.
Who This Mix Suits Best
The Catahoula mixed with Australian Shepherd is not a casual pet. This cross thrives with specific owner profiles:
Ideal Owner Profile
- Experience level: Intermediate to advanced dog owner. First-time owners can succeed but should commit to professional training support and extensive research on herding-dog behavior.
- Activity level: Highly active — you run, hike, bike, or participate in dog sports (agility, herding trials, barn hunt, rally obedience).
- Living situation: House with a securely fenced yard (minimum 5–6 ft fence — these dogs are athletic jumpers and diggers). Rural or suburban properties with acreage are ideal. Apartment living is possible only with a rigorous daily exercise commitment.
- Time commitment: Home frequently — this mix is prone to separation anxiety and boredom-related destruction if left alone for 8+ hours daily without enrichment.
- Family composition: Families with older children (8+) who understand how to interact respectfully with dogs. Young toddlers may be accidentally knocked over or herded (nipped at) by a dog with strong herding drive.
- Other pets: Possible with early socialization, but high prey drive toward cats and small animals is common. Multi-dog households work best when the other dog is similarly energetic and well-socialized.
This Mix Is NOT a Good Fit For
- Sedentary households or owners who prefer couch-only lifestyles
- Families seeking a low-maintenance, easygoing companion dog
- Homes with very young children and no prior dog experience
- Owners unwilling to invest in structured training and socialization
- People who work long hours away from home with no dog-walking or daycare support
Frequently Asked Questions
What two breeds make up the Catahoula mixed with Australian Shepherd?
This mix is a cross between the Louisiana Catahoula Leopard Dog (a herding/working breed from Louisiana, recognized by the UKC) and the Australian Shepherd (a herding breed developed in the western United States, recognized by the AKC). Both are American herding dogs with merle coat genetics, high energy, and strong working drive.
How big will this mixed breed get?
Most Catahoula Aussie mixes weigh between 45–70 lb (20–32 kg) and stand 20–24 inches (51–61 cm) at the shoulder. Some males inheriting more Catahoula genetics can reach 85–90 lb (39–41 kg) and 26 inches (66 cm). Females tend to be smaller, sometimes as light as 35 lb (16 kg) if they inherit more Australian Shepherd traits.
What will the temperament be like?
Expect a highly intelligent, energetic, and loyal dog. The best-case temperament combines the Aussie's eagerness to train with the Catahoula's confidence and independence. Challenging individuals may be stubborn, reactive to strangers, or prone to herding behavior (nipping, chasing). Early socialization and consistent positive-reinforcement training are essential regardless of which temperament your dog inherits.
Is this mix hypoallergenic or low-shedding?
No. Neither parent breed carries low-shedding genes. The Catahoula Aussie mix will shed moderately to heavily depending on whether it inherits the Catahoula's short single coat or the Australian Shepherd's longer double coat. Regular brushing helps manage loose hair, but this mix is not suitable for allergy-sensitive households.
What health issues might this mix inherit?
Key conditions to screen for include hip dysplasia, elbow dysplasia, progressive retinal atrophy (PRA), Collie eye anomaly (CEA), congenital deafness (especially in merle dogs), MDR1 drug sensitivity (from the Australian Shepherd side), and idiopathic epilepsy. Reputable breeders should provide OFA hip/elbow certifications and DNA test results for PRA, CEA, and MDR1 for both parent dogs.
How much does this designer mix cost?
From a responsible breeder with health-tested parents, expect to pay $800–$1,800. Through rescue or shelter adoption, fees typically range from $150–$450. First-year total ownership costs (including veterinary care, food, training, and supplies) range from approximately $2,300 to $6,300.
Are Catahoula Aussie mixes good with kids?
They can be excellent family dogs with children they're raised alongside, particularly older children who understand dog body language. However, strong herding instincts may cause some individuals to nip at running children's heels or try to "herd" toddlers. Supervision and training are essential, and families with very young children should carefully evaluate an individual dog's herding drive before committing.
Do Catahoula Aussie mixes need a job or sport to be happy?
While not every individual requires a formal job, this cross benefits enormously from structured mental challenges. Dog sports such as agility, rally obedience, barn hunt, nosework, or herding instinct testing provide an ideal outlet. Even without formal competition, daily training sessions, puzzle feeders, and structured games (fetch with obedience cues, hide-and-seek with toys) help prevent the boredom-driven behaviors these dogs are prone to.
Disclaimer: Mixed-breed dogs are inherently variable. The information in this guide reflects typical traits based on parent breed characteristics, but individual dogs may differ significantly. Always consult your veterinarian for personalized health advice and a certified professional dog trainer (CPDT-KA or IAABC-certified) for behavior guidance.
Robin Maitland
All our authors care for dogs every day — read more of their work on the authors page.
