Profile

Breed type small companion dog with historical Bull and Terrier roots; brachycephalic.

In a nutshell

The Boston Terrier is a small, sociable companion dog. Many dogs of this breed are lively, sociable, and, compared to other brachycephalic breeds, often more athletic and agile.

History and Original Function

The Boston Terrier is a small companion dog originating in the United States. The FCI and VDH classify it in Group 9 (Companion and Toy Dogs), Section 1 (Small Mastiff-type Dogs), without a working trial. The AKC classifies it in the Non-Sporting Group, the UKC in the Companion Dog Group, and the Kennel Club in the Utility Group.

Temperament and Everyday Behavior

Many Boston Terriers are people-oriented, lively, and sociable, with little inclination toward hunting or guarding. In everyday life, they often appear more agile and athletic than Pugs or English Bulldogs—but this can lead people to underestimate the limitations posed by their brachycephalic build.

Requirements and Qualifications

A Boston Terrier is best suited for people who want a small, eager-to-learn, sociable companion dog and are willing to actively manage brachycephalic health issues. These include protection from heat, eye monitoring, weight control, regular veterinary checkups, and attention to potential spinal and joint issues.

Education and Management

The Boston Terrier is eager to learn and sociable—training is most successful when it involves clear routines, positive reinforcement, and short, varied sessions. Calmness training is just as important as active play.

Health

As a brachycephalic breed, the Boston Terrier is part of the documented group of short-skulled dogs at risk. A VetCompass study on the health of brachycephalic dogs in the United Kingdom (Scientific Reports, O'Neill et al. 2020) analyzed data from over 22,000 dogs and shows that brachycephalic breeds—including Boston Terriers—have a comparatively higher risk of a range of conformation-related diseases.

Grooming for the Boston Terrier mainly involves caring for its respiratory system, eyes, and managing heat. Its short coat may seem low-maintenance, but you need to regularly check its face, eyes, skin for allergies, and weight.

Size, weight, coat, and colors

The height ranges from approximately 38 to 43 cm. The FCI classifies the weight into three categories: lightweight (under 6.8 kg), middleweight (6.8 to 9.1 kg), and heavyweight (9.1 to 11.35 kg).

Risk Profile at a Glance

fellow creatures mostly social; respiratory distress in brachycephalic dogs can indirectly contribute to conflicts.

Responsibility and Ethics

Vitomalia classifies the Boston Terrier as a brachycephalic breed in the context of animal welfare. Health risks related to conformation (BOAS, respiratory issues, heat tolerance, and, in some cases, dystocia) are not a secondary concern but a primary one. The purchase of puppies, the selection of breeding lines, and owner responsibility must take these factors into account.

Sources

  1. Fédération Cynologique Internationale. (n.d.). Boston Terrier, Standard No. 140. https://www.fci.be/en/nomenclature/BOSTON-TERRIER-140.html
  2. German Kennel Club. (2026). Boston Terrier. VDH Breed Encyclopedia. https://welpen.vdh.de/hunderassen/rasselexikon/ergebnis/boston-terrier
  3. American Kennel Club. (n.d.). Official Standard of the Boston Terrier. https://images.akc.org/pdf/breeds/standards/BostonTerrier.pdf
  4. United Kennel Club. (n.d.). Boston Terrier breed standard. https://www.ukcdogs.com/boston-terrier
  5. The Kennel Club. (2025). Boston Terrier breed standard. https://www.thekennelclub.org.uk/breed-standards/utility/boston-terrier/
  6. O'Neill, D. G., Pegram, C., Crocker, P., Brodbelt, D. C., Church, D. B., & Packer, R. M. A. (2020). Unravelling the health status of brachycephalic dogs in the UK using multivariable analysis. Scientific Reports, 10(1), 17251. https://doi.org/10.1038/s41598-020-73088-y
  7. Packer, R. M. A., Hendricks, A., Tivers, M. S., & Burn, C. C. (2015). Impact of facial conformation on canine health: Brachycephalic obstructive airway syndrome. PLOS ONE, 10(10), e0137496. https://doi.org/10.1371/journal.pone.0137496