Great Dane

Great Danes are a giant breed, and giant breeds are sadly short-lived: most live only around 7 to 10 years, and many studies put the average closer to 7 or 8. Their huge size puts strain on the heart, joints and other organs, and they are prone to several serious conditions. Good breeding from health-tested parents, keeping your dog at a lean weight, careful feeding to reduce bloat risk, and regular veterinary care all help, but it is important to go in with honest expectations about a giant breed's lifespan.

Yes — well-bred, well-socialised Great Danes are famously gentle, affectionate and patient, which is why they are nicknamed 'gentle giants'. They tend to be calm indoors and devoted to their people, and many are good with children. The cautions are practical: they are enormous, so they can accidentally knock over a small child or toddler, they need early training and socialisation while still manageable in size, and they have a short lifespan and serious health needs. They suit families with the space, time and budget for a giant dog.

Great Danes are one of the tallest dog breeds in the world. Males typically stand around 76cm (30 inches) or more at the shoulder and females around 71cm (28 inches), with weights commonly around 54–90kg depending on sex and individual. Standing on their hind legs they can be taller than an adult person. They are slow to mature, often not fully grown until around 18 months to two years, and that slow growth is exactly why careful, joint-safe exercise and correct feeding matter so much in puppyhood.

A well-bred, health-tested Great Dane puppy from a Kennel Club Assured Breeder in the UK usually costs several hundred to over a thousand pounds. The far bigger cost is keeping one: as a giant breed they eat a great deal, need large beds, harnesses and crates, and insurance and medication are dearer because doses are sized to body weight. Add a higher risk of serious conditions such as bloat and heart disease, and the lifetime cost of a Great Dane is among the highest of any breed.

Great Danes are predisposed to several serious conditions. The most urgent is bloat or gastric dilatation-volvulus (GDV), where the stomach swells and can twist — a life-threatening emergency. They are also prone to dilated cardiomyopathy (a heart-muscle disease), hip and elbow dysplasia, Wobbler syndrome (a neck/spinal cord condition) and bone cancer (osteosarcoma). Many breeders choose a preventive surgery called gastropexy to reduce GDV risk. Buying from health-tested parents and knowing the warning signs is essential.

Yes — bloat, properly called gastric dilatation-volvulus (GDV), is one of the most serious risks for the breed. Large, deep-chested dogs like Great Danes are especially prone to it. The stomach fills with gas and can twist on itself, cutting off blood supply; without emergency surgery it is rapidly fatal. Warning signs include a swollen, hard tummy, unproductive retching, restlessness, drooling and distress. Feeding smaller meals, avoiding vigorous exercise right after eating, and discussing preventive gastropexy with your vet all help reduce the risk.

Adult Great Danes are surprisingly moderate — they enjoy a couple of good daily walks and time to stretch their legs, but they are not high-octane dogs and are often happy lounging at home. Puppies are the opposite of what you might expect: because giant breeds grow slowly, over-exercising a Great Dane puppy can damage developing joints. Keep puppy exercise gentle and limited, avoid stairs, jumping and long forced walks while they are growing, and build up activity gradually as they mature towards 18–24 months.

Great Danes are intelligent, eager to please and generally responsive to kind, consistent training, which makes them quite trainable. The key is starting early: a Great Dane puppy grows into an enormous, powerful adult, so good manners, lead skills and recall must be taught while they are still small enough to manage. Reward-based methods work best, and early socialisation with people, dogs and everyday situations is vital. A well-trained gentle giant is a joy; an untrained one is simply too big to handle safely.

A Great Dane can suit a committed first-time owner, but it is a big ask. The sheer size means training and socialisation cannot be left to chance, the running costs are high, and the short lifespan and serious health profile can be emotionally and financially demanding. If you have done your research, have the space and budget, and are prepared to put in early training while the dog is still manageable, a gentle giant can be wonderful. If you are unsure, speak to breed clubs and rescues and meet some adult Danes first.

Yes. In the UK it is a legal requirement for all dogs to be microchipped and registered on an approved database by eight weeks of age, and your contact details must be kept up to date. Dogs must also wear a collar and tag with the owner's name and address in public. A responsible breeder will have already microchipped the puppy before you collect it, so always check the chip is registered and transfer the details into your name when you take your Great Dane home.

Good with children. As a general guide, Great Danes tend to be patient and tolerant. Whatever the breed, always supervise dogs and young children and teach kids to interact gently.

As a healthy adult, a typical Great Dane needs around an hour of exercise a day (60–80 minutes), split across walks plus play. A good sniffy walk plus some play and training usually keeps them happy. Puppies, seniors and dogs with health conditions need less — ask your vet.

Moderate shedding. Coat upkeep is wash-and-go — a quick brush now and then is usually enough.

Manageable for committed beginners. Great Danes are best for owners ready to commit to consistent training and plenty of activity. Reward-based training and early socialisation help any dog.

Quiet. They are usually fairly easy-going about barking, though any dog will bark if bored or under-exercised.

Sociable with other dogs. Early, positive socialisation with other dogs from a young age makes a big difference.

Needs plenty of space. A Great Dane really needs plenty of space and a lot of daily activity — not ideal for a small flat.