Working & Companion · Working Dogs
Great Dane
Also known as: Great Dane, Deutsche Dogge, German Mastiff, Apollo of Dogs
A giant, gentle-natured mastiff-type breed whose towering size defines every aspect of ownership — from training and handling to housing, feeding and lifespan. Friendliness does not remove the demands of living with a dog this large.
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Quick Facts
Best Suited For
Homes prepared for giant-breed logistics
Exercise
Moderate
Grooming
Low
Shedding
Moderate (seasonal)
Trainability
Trainable; size makes training a safety matter
Experience Level
Some experience with large dogs helpful
At a Glance
At a Glance
- Size category
- Giant
- Original purpose
- Large-game hunting, estate guarding, and companion work
- Country / region of origin
- Germany
- Height range
- 71–86 cm (28–34 in)
- Weight range
- 54–79 kg (120–175 lb)
- Life expectancy
- 7–10 years
- Coat type
- Short, smooth coat
- Recognized colours
- Fawn, brindle, black, blue, harlequin, mantle, and merle
- Exercise commitment
- Moderate
- Mental-work commitment
- Moderate
- Training commitment
- High
- Grooming commitment
- Low maintenance
- Shedding tendency
- Moderate (seasonal)
- Vocal tendency
- Moderate
- Prey-drive tendency
- Moderate
- Protective tendency
- Moderate
- Sociability considerations
- Generally good
- Best suited to
- Homes prepared for giant-breed logistics, training and lifespan realities
Ranges and tendencies vary by sex, line, registry, and individual dog. Descriptive labels are used instead of scores or rankings.
Original Purpose
Original Purpose
Large-game hunting, estate guarding, and later companion work
What People Often Love
What People Often Love
- Striking, towering presence and elegance
- Generally gentle, friendly and patient temperament
- Calm, measured energy indoors as adults
- Strong family attachment
- Low-maintenance short coat
- Sociable and engaging with people
What Can Be Difficult
What Can Be Difficult
- Giant size that defines housing, vehicle, equipment and feeding logistics
- Significant food and medication costs by body weight
- Short lifespan relative to smaller breeds
- Health concerns, particularly heart, joints and bloat
- Bloat (gastric dilatation-volvulus) — a serious, life-threatening emergency
- Long, awkward adolescent period before adult steadiness
- Physical power that makes training and handling safety matters
Breed Gallery
Great Dane visual guide
Adult Comparison — Male & Female
Life Stages — Puppy, Adolescent, Mature Adult

Harlequin puppy
Harlequin Great Dane puppy; CC BY-SA 3.0.
Recognized Colours

Blue coat, 7 months
Blue Great Dane explicitly identified as a seven-month-old puppy on the Commons gallery.
Photos are for educational reference only. Individual dogs vary. Rare or non-standard colours do not indicate better health, value, or quality.
Life Stages
Life stages
Puppy
Puppies grow rapidly; keep impact low and avoid sustained running. Teach manners early — size makes late training difficult.
Adolescent
Adolescence can be long, awkward and energetic. Structure, outlets and consistent handling guide the dog to adult steadiness.
Adult
Adults are often calm and gentle indoors. Moderate exercise, ongoing training and health screening continue for life.
Senior
Mobility, cardiac and comfort care become central. Reduce impact; watch for age-related heart and cancer concerns.
Colours and Coat
Colours and coat
- Recognized colours
- Fawn, brindle, black, blue, harlequin, mantle, and merle
- Coat length
- Short
- Coat texture
- Smooth coat
- Undercoat
- Minimal
- Seasonal changes
- Moderate seasonal shedding
- Grooming notes
- Weekly brushing; regular nail, ear and dental care. Minimal maintenance; little cold-weather protection.
Harlequin and merle patterns carry complex colour genetics; responsible breeders test and pair carefully. Colour does not indicate temperament.
Male vs Female
Male vs Female
| Field | Male | Female |
|---|---|---|
| height | 76–86 cm | 71–81 cm |
| weight | 63–79 kg | 54–63 kg |
| build | More substantial and taller | Lighter and more refined |
| maturity | May mature slightly later | Often matures earlier |
| Visible sexual dimorphism | Noticeable | Moderate |
Temperament differences between individual dogs are generally more important than sex alone.
Appearance Variation
How Great Dane can vary in appearance
Great Dane does not have a single widely recognized working-vs-show line division, but appearance still varies by individual. Verified breed-typical details:
- Coat: Short, smooth coat.
- Recognized colours: Fawn, brindle, black, blue, harlequin, mantle, and merle.
- Typical height: 71–86 cm (28–34 in).
- Typical weight: 54–79 kg (120–175 lb).
Individual dogs vary by sex, line, registry and development. None of these variations indicate better health, value or quality.
Original Purpose
The Great Dane was developed in Germany from mastiff-type dogs used to hunt large game (boar, bear) and guard estates. Selected for size, courage, power and a steady temperament, the breed later became a refined companion and estate dog. Those instincts — imposing presence, watchfulness and a willingness to confront large quarry — remain part of the breed, but modern selection has emphasized a more companionable, steady temperament.
The Reality of Living With This Breed
The Great Dane's gentle reputation is real, but size is the defining reality of ownership. Everything scales — food, medication, crates, vehicles, bedding, veterinary lifting and boarding limitations — and the lifespan is shorter than smaller breeds. A friendly giant still requires consistent training so that size does not become a handling or safety problem. Breeding and early development matter; individuals vary.
History and Development
Great Danes descend from ancient mastiff-type hunting dogs refined in Germany into the Deutsche Dogge. The breed hunted boar and bear and guarded estates, later shifting toward companion and show roles. Modern selection emphasizes temperament, type and soundness. Ear cropping was historically common; practices and regulations vary by region.
Temperament
Typical Great Danes are friendly, patient, gentle and steady as adults, often described as 'gentle giants' — though that label should not obscure the demands of giant-breed ownership. They bond closely with family and tend to be sociable with people. Adolescents can be awkward and energetic. Watchfulness and prey drive vary by line. Breed tendencies describe patterns, not guarantees.
Exercise Needs
Most need moderate daily exercise — structured walks and purposeful activity. Sustained running and high-impact exercise should be avoided, especially during growth, to protect joints. Adult Danes are often surprisingly calm indoors. Mental engagement matters alongside physical activity.
Mental Work and Enrichment
Training, problem-solving and structured engagement prevent boredom and support safe handling. Consistency matters; a giant dog that lacks manners is a handling risk. Mental work is part of a complete program alongside exercise and settle training.
Training Approach
Great Danes are trainable and often willing, but their size makes training a safety matter from puppyhood — a 50 kg adolescent that jumps or pulls is already difficult. Key themes include four-on-the-floor greetings, loose-leash walking, settle, recall and impulse control. Harsh handling can damage trust and joints. Professional guidance is valuable, especially for first-time giant-breed owners.
Confidence, Sensitivity and Resilience
Many Great Danes are confident and gentle, but some can be sensitive or environmentally soft. Structured exposure builds stability. Forced confrontation can damage trust. Deliberate confidence work benefits softer individuals.
Exposure and Environmental Development
Quality exposure to varied people, dogs, surfaces and environments during the critical period supports a stable adult. Because the breed grows so large, teaching calm greetings and manageable behaviour early — before size makes it difficult — is essential.
Children, Dogs and Other Animals
Great Danes can live well with children and other pets when raised with them and managed carefully. Size alone can cause accidental injury to young children, even without intent; supervision is essential. Some individuals have prey drive. No breed should be left unsupervised with young children.
Guarding, Watchfulness and Protective Tendencies
Watchfulness is moderate; Great Danes tend to alert rather than confront, and modern breeding emphasizes a steady companion temperament. Some individuals show guardian tendencies requiring management. The goal is an observant, neutral dog.
Noise and Vocal Behaviour
Great Danes can be vocal — alert barking occurs, and some have a deep, carrying bark. Vocal tendencies may not suit housing with close neighbours. Management includes teaching quiet and meeting the dog's needs.
Grooming and Coat Care
The short smooth coat is low maintenance — weekly brushing and regular nail, ear and dental care. Shedding is moderate. Professional grooming is unnecessary. The coat offers little protection in cold weather; some dogs benefit from coats in winter.
Size, Strength and Physical Management
Great Danes are giant dogs. Size requires respectful management — loose-leash walking, impulse control and safe handling matter for the dog's welfare and public safety. Physical management includes conditioning appropriate to age, weight management, joint-friendly flooring and avoiding excessive strain during the long growth period. Vehicle and housing logistics are real considerations.
Health Considerations
Commonly discussed health concerns include dilated cardiomyopathy, hip dysplasia, bloat (gastric dilatation-volvulus — a life-threatening emergency), certain cancers, certain eye conditions and thyroid conditions. Responsible breeding with health screening (heart, hips, eyes, thyroid) is important. Bloat awareness and emergency planning matter. This information is educational, not diagnostic. Always consult a qualified veterinarian.
Costs and Practical Ownership
Costs scale with size — quality food, medication by body weight, oversized equipment and crates, vehicle and housing logistics, boarding limitations and emergency transport planning. Health management may represent a significant ongoing cost. Research current costs in your area for each category; giant-breed ownership is a financial commitment.
Housing and Lifestyle Fit
Great Danes suit homes with space and owners prepared for giant-breed logistics. They are indoor dogs that bond closely. Despite size, many are calm indoors as adults, but space, sturdy equipment and secure fencing matter. The household's real daily structure and the owner's experience matter more than square footage.
Common Owner–Breed Mismatches
- Choosing the breed for size and appearance without accounting for giant-breed logistics and cost
- Underestimating food, medication and equipment costs by body weight
- Overlooking the shorter lifespan
- Assuming a friendly giant needs no training — size makes manners a safety matter
- Overlooking bloat awareness and emergency planning
- Allowing high-impact exercise during growth that stresses joints
- Expecting calm adulthood without guiding the long adolescent period
Who This Breed May Suit
Great Danes may suit homes prepared for giant-breed logistics, cost and lifespan, with space and owners willing to train consistently from puppyhood. The partnership can be deeply rewarding for households that understand the demands.
Who This Breed May Not Be For
Great Danes may not suit homes unprepared for giant-breed cost and logistics, anyone unable to manage size safely, or those seeking a long-lived companion. The breed's size, health considerations and lifespan require honest assessment. This does not make the breed bad — it may simply mean the breed's needs and the household's real life are not compatible.
Choosing a Breeder
- What health testing has been done on the parent dogs?
- What is the temperament of the parent dogs?
- What lines are the parents from, and what traits were selected for?
- How are puppies socialized and raised?
- How are puppies matched to homes?
- What support is provided after placement?
- What is the return policy if the placement does not work?
- Why was this specific breeding planned?
Choosing a Rescue or Adult Dog
- What is known about the dog's history?
- What has the foster home observed about behaviour?
- How does the dog behave around dogs, cats, and children?
- What medical information is available?
- Is behaviour support available during adjustment?
- What is the trial or return policy?
- What adjustment period should be expected?
Before You Bring One Home
Before you bring one home
Use these questions as a reality check before choosing this breed. There are no perfect answers, but honest answers can help you decide whether the breed's needs, tendencies and long-term responsibilities fit your life.
- Am I prepared for the food, medication and equipment costs of a giant breed?
- Can I manage a dog that may weigh 55–80 kg safely through training?
- Do I have housing, vehicle and equipment suited to a giant dog?
- Am I aware of bloat risk and have an emergency plan?
- Have I asked breeders about heart, hip, eye and thyroid health testing?
- Am I prepared for a potentially shorter lifespan?
- Will I train manners from puppyhood, before size makes it difficult?
Similar Breeds
Similar breeds to explore
Frequently Asked Questions
Great Dane — common questions
Sources and Review
Sources and review status
Last reviewed: July 2026
Academy editorial review: Approved
Hero image replaced with a breed-specific Unsplash image whose source page identifies the breed and states it is free to use under the Unsplash License. Gallery now includes the verified adult hero, a source-verified harlequin Great Dane puppy (CC BY-SA 3.0), and a blue seven-month-old age/appearance example.
Report a correction or concern for this guide.
Great Dane Club of America (GDCA)
breed club
Fédération Cynologique Internationale (FCI) — Great Dane, Standard No. 235
kennel club
American Kennel Club (AKC) — Great Dane
kennel club
Great Dane Club of America — Health & CHIC Guidance
health
Sources are being verified. No citation is presented as confirmed until review is complete. Always consult qualified professionals for breed-specific and health advice.
Last reviewed: July 2026
Reviewed by: The Academy Editorial Team
This guide describes common breed traits, historical purpose and practical ownership considerations. Individual dogs vary according to genetics, health, early development, environment, training and life experience.
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