Chihuahua

HDB-APPROVED · DOG BREED GUIDE

Also known as Chi, Chiwawa (misspelling, but common).

Despite the Chihuahua's lightweight frame, it carries a commanding presence, often acting like a personal alarm system with a bark large enough to fill even the most spacious HDB corridor.

At a glance

Size category

Small

Weight

1.5 to 3 kg

Height

15 to 23 cm

Lifespan

14 to 17 years

Energy level

●●●○○ 3/5 (editorial, unvalidated)

Shedding

●●●○○ 3/5 (editorial, unvalidated)

Heat tolerance

●●●●○ 4/5 (editorial, unvalidated)

Barking

●●●●○ 4/5 (editorial, unvalidated)

Trainability

●●●○○ 3/5 (editorial, unvalidated)

Grooming needs

●●○○○ 2/5 (editorial, unvalidated)

Origin

Mexico (named after the state of Chihuahua, descended from the ancient Techichi dog of the Toltecs)

The Chihuahua is the smallest breed on this site at 1.5 to 3 kg, one of the longest lived at 14 to 17 years, and the cheapest to keep. It is on HDB's approved list. On paper it is close to the perfect flat dog, and the paper leaves out the two things that decide whether it works: it is rated not good with young children and not good with other dogs.

Neither of those is about temper. Both are about being a two-kilogram animal in a world built for larger ones, and both are manageable by an owner who knows in advance.

Personality and temperament

Chihuahuas bond intensely, usually to one person, and that bond is the whole appeal of the breed. They are alert, opinionated, and far braver than their dimensions justify.

Trainability is rated 3 out of 5, which reflects independence rather than any shortage of intelligence. Beginner friendliness is rated high, and that is fair: this is a forgiving dog in the sense that it asks very little physically.

Barking is rated 4 out of 5, and it is the trait most likely to cause trouble with neighbours. Anxiety and stress are on this page's health-issue list, and the two connect: much of the barking in this breed is a small dog that feels unsafe rather than a bossy one, which matters because the fix is confidence rather than correction.

On the two social ratings, the honest version. Rated not good with young children: at 1.5 to 3 kg with fine bones, a Chihuahua can be seriously injured by being dropped, sat on or squeezed, and a dog that has learned children are dangerous will defend itself. The risk mostly runs toward the dog. Rated not good with other dogs: this breed has very little sense of its own size, and a Chihuahua that starts something with a Labrador does not win. Managed introductions are your job, not the dog's.

Exercise in Singapore's climate

Heat tolerance is rated 4 out of 5, one of the better ratings on this site, and the reasons are real. The coat is short and light, the body is tiny, and the breed's origins are in a warm part of the world rather than a cold one.

That does not remove the two small-dog hazards. At this body mass there is very little water in the dog, so dehydration arrives fast, and the dog sits centimetres above pavement that has been storing heat all afternoon. Singapore runs a daily maximum of 31 to 33 degrees Celsius with average relative humidity around 82% year round (Meteorological Service Singapore). Check the ground with the back of your hand and carry water.

At 3 out of 5 energy, two walks of fifteen to twenty minutes in the cool hours is plenty, and a Chihuahua will happily do a good part of its daily movement indoors. Short training games and a food puzzle cover the rest.

The opposite problem is worth planning for. A dog with this little insulation gets genuinely cold in a heavily air-conditioned room and will burrow under whatever is available. A jumper indoors is thermal management, not dressing the dog up.

Coat and grooming in the humidity

Grooming needs are rated 2 out of 5 at about S$300 a year, among the lowest on this site, and shedding 3 out of 5. There are smooth-coat and long-coat varieties; the smooth needs a weekly rubber-mitt pass and essentially nothing else, and the long coat needs a proper brush two or three times a week with attention to the feathering on the ears, legs and tail.

Dry the dog properly after a bath or a wet walk. Check inside the ears weekly, since large upright ears collect more than you would expect.

Nails need real attention on this breed. A dog this light does not wear them down on pavement the way a heavier dog does, and overgrown nails change how a small dog stands, which feeds into the joint entry on this page's health list. Trim little and often, or have the groomer do it.

Diet and feeding

Food runs about S$600 a year, the lowest figure on this site.

Precision matters more here than for any other breed, simply because of scale. A single biscuit can be a meaningful fraction of a 2 kg dog's daily intake, and joint mobility is on this page's health-issue list, where every extra gram counts. Weigh the food and count treats inside the daily total.

Toy-breed puppies can drop their blood sugar if meals are spaced too far apart, and in a breed this small that is a genuine risk rather than a theoretical one. Feed a Chihuahua puppy little and often and ask your vet what interval they want. Know the signs of a hypoglycaemic episode, wobbliness, glazed eyes, unusual sleepiness, and treat them as urgent.

Dental health leads this page's health list, and it is the defining medical issue of the breed. A very small jaw crowds teeth, crowded teeth trap food, and a dog living seventeen years accumulates a great deal of consequence. Brush daily from puppyhood and do not defer recommended dental work.

Training

A small independent dog, often under-trained because it is small enough to pick up instead. Priorities:

• A harness, never a collar. Lead pressure on a neck this size is the wrong idea. Use a Y-front harness from the first walk.
• Confidence, deliberately built. Given the anxiety entry on this page's health list, spend the early months making the world predictable and unthreatening: calm exposure, food, escape routes, and never forcing the dog to be handled by strangers. A confident Chihuahua is a quiet one.
• The "quiet" cue, from week ten. Barking at 4 out of 5 beside a shared corridor. Reward the settle after the alert.
• Being put down. Small dogs get carried everywhere and then find the ground alarming. Let it walk.

Health

The UK Kennel Club recommends eye testing using the BVA/KC/ISDS Eye Scheme for the Chihuahua. It places the breed in Breed Watch Category 2 and states that "this breed can be affected by conformational concerns".

One scheme and a Category 2 note means the questions carry most of the weight here, and there are three worth asking.

The eye certificates on both parents, which is the one document the Kennel Club names.

The heart. Heart conditions are on this page's health-issue list. Ask whether both parents have been examined with the heart specifically in mind, and ask your own vet to listen at every visit for the life of the dog rather than only when something seems wrong.

The head. The conformational note is the Kennel Club's way of saying that the features defining how a breed looks can be the features creating its medical risks. In the Chihuahua that includes the domed skull, and a breeder selecting for an ever-smaller, ever-rounder head is selecting in the wrong direction. Be actively sceptical of anything sold on being unusually tiny: "teacup" is not a recognised size and there is no Kennel Club category for it. Deliberately undersized dogs carry more fragility, more dental crowding and more anaesthetic risk, and the premium is being charged for the problem.

Also listed here: joint mobility, which in a toy breed usually means the kneecap, so ask for a written veterinary patella assessment on both parents.

Routine veterinary care runs about S$900 a year, low, but read it against a 14 to 17 year lifespan and check what any insurance policy does with older dogs before you choose it. Arrange it in the first weeks. None of this replaces your own vet's assessment of your own dog.

Housing and space in Singapore

The Chihuahua is named on HDB's published list of approved breeds for flats, which runs to 61 named breeds plus a cross of any two of them. Confirm the current position there before you commit, since HDB maintains and updates the list.

Ownership limits come from AVS rather than HDB. Under AVS's rules, an HDB flat may keep a maximum of one dog of an approved small breed plus up to two cats, and no dog on the Specified dogs list; private property may keep up to three cats or dogs in combination. Every dog needs an AVS licence. Licence fees depend on sterilisation status, age and the number of pets. One-time and three-year licences are different options. Check the current AVS fee table before paying.

Space is irrelevant to this breed and safety is not. Do a genuine survey at the dog's eye level before it arrives: balcony railings, gate bars, the gaps behind and under appliances, and any furniture it could fall from. Put runners on polished tile and steps up to anywhere it is allowed. And think about where people walk, because the commonest serious injury to a dog this size in a home is being stepped on or having a door closed on it.

Put the resting spot away from the front door, and somewhere warm rather than under the air-conditioning.

Care and cost in Singapore

On this page's figures: about S$600 a year for food, S$300 for grooming and S$900 for routine veterinary care, the cheapest total on this site. The honest caveat is the lifespan: seventeen years of anything adds up, and the dental work this breed needs is the line most likely to grow. Run the ten-year picture with the cost calculator.

Getting a Chihuahua: buying and adoption

Ask for the AVS dog farm licence number, eye certificates for both parents, a written veterinary patella assessment, and what has been done about the heart.

Ask how the puppies have been raised and handled, and by how many people. Given the anxiety entry on this page's health list, early gentle socialisation is the single biggest lever on the adult dog you end up with, and a litter raised in a busy household beats one raised in a quiet kennel.

Walk away from anything marketed on smallness. This is the breed where that market does the most damage.

Adoption is very much worth checking. Chihuahuas and Chihuahua crosses are among the more commonly surrendered small dogs, and they come through SOSD, Causes for Animals and Mercylight. The usual surrender reasons are barking and snapping at children, both of which are frequently a management problem in the previous home rather than a fault in the dog. An adult arrives with its temperament visible, which on a breed this variable in confidence is worth a great deal.

Life stages: puppy to senior

Puppy, to about 12 months. Feed little and often and know the low-blood-sugar signs. Fit a harness from the first walk. Start daily tooth brushing before the dog has opinions. Socialise gently and widely, and do the household safety survey before the puppy arrives rather than after the first scare. Insurance in force early.

Adolescent, roughly 9 to 18 months. Confidence either consolidates or curdles here. Barking becomes a habit if the early work lapsed, and reactivity to larger dogs typically shows now. Tighten management rather than hoping it passes. Watch for a skip or hop in the back legs.

Adult, roughly 2 to 11 years. A long, easy middle. Teeth daily, nails short, weight held, walks in the cool hours, introductions managed. Keep the dog warm indoors.

Senior, from about 12 years, with years still to come. Lifespan here is 14 to 17 years, so senior is a phase rather than an ending. Move to twice-yearly vet visits and ask for the heart to be listened to at each. Expect dental work to matter more rather than less, and do not let "she is old" become the reason to skip it, because a painful mouth is the commonest untreated problem in small old dogs. Older Chihuahuas feel the cold more, so mind the air-conditioning, and keep walks short and frequent.

See dog-friendly cafes and parks in your region → | Run the 10-year cost of a Chihuahua in Singapore →

Tags: toy-breed, long-lived, apartment-friendly, vocal, fragile, first-time-owner

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