Chihuahua Dog Breed Guide Australia — Temperament, Health & Cost

Chihuahua Overview

Origin: Mexico

The smallest recognised breed, named after the Mexican state of Chihuahua. Descended from the Techichi, a companion dog favoured by the Toltec civilisation. Rediscovered by American travellers in the 1850s.

The Chihuahua is the world’s smallest dog breed and one of Australia’s most popular toy companions, consistently ranking in the top 25 ANKC registrations. These ancient Mexican dogs are beloved by apartment dwellers, urban professionals, and older Australians for their tiny size, minimal exercise needs, and fierce devotion to their owners. However, their delicate nature, high barking, and challenging temperament make them poorly suited for many households.

Chihuahuas are lap dogs designed for companionship and indoor living. They require minimal exercise, adapt well to apartments, and thrive in all Australian climates—particularly heat-prone regions where their tiny frame and minimal body mass are advantages. They are fiercely protective of their owners despite their size and are excellent alarm dogs. However, their separation anxiety is significant; they struggle with long periods alone. Their barking can be excessive and annoying to neighbours or family members.

Chihuahuas suit experienced, patient owners or elderly individuals seeking a devoted, portable companion. They are not suitable for families with young children (fragility is a risk) or first-time dog owners unprepared for their stubborn, territorial nature. Responsible ownership requires sourcing from health-tested breeders, regular dental care, and management of their delicate health.

Chihuahua Personality & Temperament

Understanding the Chihuahua temperament is the most important step before bringing one home.

Fiercely loyal, affectionate, and completely devoted to their chosen person(s) | confident for their size; stubborn and wilful; prone to fear-based aggression if not properly socialised; alert and territorial; charming but demanding | Poor with children (fragility is a genuine risk); problematic with other dogs and pets (despite tiny size); excessive barking—alert and territorial; extremely high separation anxiety

Breed Ratings at a Glance

How the Chihuahua scores across key traits (1 = Low, 5 = High).

Energy Level

3/5

Trainability

2/5

Grooming Needs

1/5

Shedding Level

3/5

Affection Level

5/5

Kid-Friendly

2/5

Dog-Friendly

2/5

Cat-Friendly

3/5

Barking Level

4/5

Is a Chihuahua Right for You?

✅

Apartment Perfect; tiny, minimal exercise, ideal for units

✅

House with yard Suitable; minimal outdoor space needed

⚠️

First-time owner Not ideal; stubborn and require experienced handling

✅

Renters Excellent; small size suits rental restrictions

✅

Hot climate (QLD/NT/WA) Good; tiny size suits heat; short-coated varieties ideal

✅

Cold climate (VIC/TAS/ACT) Fine with indoor heating; cold-sensitive

✅

Elderly/retired owners Perfect match; portable, low-energy, devoted companion

❌

Working owners (8hrs alone) Poor choice; severe separation anxiety; will bark excessively

❌

Rural/acreage Not suited; designed for indoor/apartment living

❌

Active lifestyle Minimal exercise tolerance; prefer sedentary lifestyle

Separation Anxiety: High — this breed may struggle if left alone for long periods.

Chihuahua Size & Appearance

Size

Toy

Weight M

1.5–3 kg

Weight F

1.5–3 kg

Height

15–23 cm

Coat

Long or short coat; soft texture

Colours

Any colour or combination (black, white, cream, chocolate, tan, etc.)

Variations

None

Brachycephalic

No

Hypoallergenic

No

Chihuahua Health & Lifespan

16 years Average Lifespan

Known Health Conditions

Knee cap dislocation; extremely common in toy breeds. Signs: skipping gait, hind-leg lameness, pain when walking. Mild cases managed conservatively; severe cases require surgery.

Est. treatment: $1,200–$3,000

Chihuahuas are prone to congenital and acquired heart defects. Signs: lethargy, coughing, shortness of breath. Diagnosed via ECG/ultrasound. Managed with medication.

Est. treatment: $1,000–$3,000

Low blood sugar; especially common in toy breed puppies and small adults. Signs: weakness, lethargy, seizures, loss of consciousness. Requires immediate glucose administration.

Est. treatment: $500–$1,500 (acute episode)

Windpipe weakens and collapses. Signs: dry cough (like a honking seal), breathing difficulty, exercise intolerance. Managed with medication; severe cases may need surgery.

Est. treatment: $800–$2,500

Cerebrospinal fluid accumulation in the skull. Common in toy breeds, especially those with large fontanels. Signs: seizures, disorientation, head pressing, poor coordination. Often congenital.

Est. treatment: $2,000–$4,000

Toy breeds have crowded teeth and poor dental hygiene. Gum disease and tooth loss are common. Signs: bad breath, difficulty eating, drooling. Requires regular dental cleaning.

Est. treatment: $300–$800 per cleaning

Recommended Health Tests:

Patella evaluation, cardiac exam, ophthalmologist evaluation

Pet Insurance for Chihuahua

Avg Annual Insurance: $600
Monthly Estimate: Estimated $600–$1,200/month. Insurers: Bow Wow Meow, PD Insurance, Petcover. Dental disease, patellar luxation, and heart conditions are common claims.

Recommended Insurers:
• Bow Wow Meow
• PD Insurance
• Petinsurance.com.au
• Budget Direct
• Petcover
• NRMA

TIP: Insure before 6 months.

Compare insurance policies for your Chihuahua

Given this breed's known health conditions, comprehensive coverage is recommended for Australian owners.

Compare Pet Insurance →

Chihuahua Cost of Ownership (AUD)

Category	Amount (AUD)
PURCHASE	$500 - $3,000
Food	$1,000
Vet	$450
Grooming	$200
Insurance	$600
TOTAL/yr	$1,784
Monthly	$82
LIFETIME (16 yrs)	$28,544
FIRST-YEAR EXTRAS	$1,200–$2,200 (desexing, vax, microchip, setup, puppy school)

$28,544 Estimated lifetime cost (16 years)

All prices in AUD. Costs vary by state, vet, and lifestyle. Sources: PetSure, RSPCA, Animal Medicines Australia.

Chihuahua Grooming Guide

Frequency 2–3 times per week (long-coated); weekly (short-coated)

Brushing Long-coated: 3–4 times weekly; Short-coated: weekly

Professional Cost $40–$70

Coat Long or short coat; soft texture

Shedding ★★★☆☆/5

Tools Slicker/pin brush, deshedding tool, nail clippers

Nails Every 4–6 weeks | Ears: Monthly | Teeth: 2–3×/week

Chihuahua Exercise Needs

Daily Exercise 20 minutes

Type Short walks, indoor play, brief outdoor time

Energy ★★★☆☆/5

Separation Anxiety High

Mental Stimulation Puzzle feeders, sniff walks, 10min training/day

Sports Agility, flyball, scent work, swimming (breed-dependent)

Training Your Chihuahua

Trainability: ★★☆☆☆/5
First-Time Owner: ★★☆☆☆/5

Chihuahuas are intelligent but notoriously stubborn and require firm, patient training. They respond well to reward-based methods but can be difficult to housetrain. Early socialisation is critical to reduce fear-based aggression. They are prone to 'small dog syndrome' where owners indulge bad behaviour.

Tips: Positive reinforcement only | Puppy school 8–12 weeks
Short 5–10min sessions | Socialise early with dogs, people, sounds

Chihuahua Feeding Guide

Annual Food Cost: $1,000

0.25–0.5 cups daily, split into two small meals. Toy breeds need frequent meals to prevent hypoglycemia. Use high-quality, small-breed kibble or wet food. Many Chihuahuas are picky eaters. Expect $15–$30/week in food costs.

Tips: Premium kibble + 2 meals/day | Monitor weight | Fresh water always
Avoid: grapes, onion, chocolate, xylitol, macadamias

📊 Calculate your Chihuahua's daily food amount →

Finding a Reputable Chihuahua Breeder

REGISTRIES:
• ANKC (ankc.org.au)
• RightPaw (rightpaw.com.au)
• Chihuahua Club of Australia

GREEN FLAGS: Health tests, ANKC/RPBA reg, visits allowed, health guarantee, screens buyers
RED FLAGS: Always available, multiple breeds, no health tests, Gumtree/social media sellers, pet shops

✅ Green Flags

Registered with ANKC, RPBA, MDBA, or RightPaw
Invites you to visit and meet the mother (dam)
Provides health test results for parents
Includes vet certificate, microchip, and vaccination records
Has a waiting list (sign of demand, not a puppy farm)

❌ Red Flags

Multiple breeds always available with no wait
Won't let you visit or meet the mother
No health testing mentioned
Price significantly below market average
Meets in a public place instead of their property

Trusted Australian Registries:

ANKC (ankc.org.au) · RPBA (rpba.org.au) · RightPaw (rightpaw.com.au) · Dogs Australia · ACF

Adopting a Chihuahua in Australia

RESCUE OPTIONS:
• Chihuahua Rescue Australia
• PetRescue.com.au
• RSPCA Australia

Adoption Cost: $250–$600 AUD
(includes desexing, microchip, vaccinations)

Search PetRescue.com.au — Australia's largest adoption platform

❤️ Thousands of dogs need homes. Rescue dogs come desexed, vaccinated, and microchipped.

PetRescue.com.au RSPCA Australia

Chihuahua — Frequently Asked Questions

Are Chihuahuas good for families with children?

Not ideal. Their tiny, fragile frames are easily injured by children's rough play. Young children may accidentally harm them. Better suited to homes without young kids.

Can Chihuahuas be left alone for long periods?

No. They have severe separation anxiety and will bark excessively, toilet indoors, and become destructive if left alone more than 3–4 hours. Not suitable for working owners.

What's the cost of Chihuahua pet insurance in Australia?

Typically $600–$1,200 annually (Bow Wow Meow, PD Insurance, Petcover). Dental disease and patellar luxation are common claims. Premiums increase with age.

How much exercise do Chihuahuas need?

Minimal—only 20 minutes daily of gentle activity. Indoor play suffices. They are sensitive to cold and prefer being lap dogs.

Are Chihuahuas suitable for apartments?

Excellent. They are ideal apartment dogs—tiny, low-energy, and quiet-ish (though barking can be annoying). Perfect for urban living if separation anxiety is managed.

Why do Chihuahuas shake and tremble?

It's breed-typical behaviour, often related to cold sensitivity, excitement, or anxiety. Shaking is not always a sign of illness, but excessive trembling can indicate hypoglycemia or fear.

What's a typical diet for a Chihuahua in Australia?

Small-breed kibble or wet food (18–24% protein) from brands like Royal Canin, Advance, or Hill's. Toy breeds need frequent meals to prevent hypoglycemia. Expect $15–$30/week. Monitor for picky eating.

Do Chihuahuas have health issues I should know about?

Patellar luxation, heart disease, hypoglycemia, tracheal collapse, hydrocephalus, and dental disease are common. Buy from health-tested ANKC breeders. Regular dental care is essential.

How do Chihuahuas handle Australian heat?

Well, due to their tiny size. Short-coated varieties suit QLD, NT, and WA perfectly. Provide shade and water. Long-coated Chihuahuas may benefit from summer grooming.

What's the typical lifespan of a Chihuahua in Australia?

14–18 years is common; some reach 20 with good care. Longest-lived toy breed. Lifespan depends on health screening and weight management.

Chihuahua: Complete Australian Breed Guide