Affectionate
Cheerful
Intelligent
Protective
Alert
Courageous
Loyal

Active
Playful
Courageous
Intelligent
Friendly
Responsive
Affectionate
Lively
Gentle
Social
Fearless
Cheerful
Quiet
Nonaggressive
Polite
Graceful
Sporty
No tendency towards nervousness

Mastiffs are moderate shedders, but regular brushing can reduce shedding and maintain coat health.

Cava-Shells are heavy shedders, but regular brushing can help manage shedding and promote a healthy coat.

Choose a Mastiff if you want a top-notch watchdog. This breed takes guarding seriously, and may not require much training, though obedience or guard dog training can improve their skills.

Avoid Cava-Shells as watchdogs - they're not effective.

England

United States

Molosser-type Dogs

Shetland Sheepdog and Cavalier King Charles Spaniel

American Canine Registry
American Kennel Club
America's Pet Registry
Canadian Kennel Club
Dog Registry of America Inc.
Federation Cynologique Internationale
Kennel Club of Great Britain
North American Purebred Registry, Inc.
American Canine Association, Inc.
Australian National Kennel Council
Continental Kennel Club
National Kennel Club
New Zealand Kennel Club
United Kennel Club

ACHC = American Canine Hybrid Club
DRA = Dog Registry of America, Inc.
IDCR = International Designer Canine Registry®

1800s

Unknown

Brown

Brown

Black

Black

Cream
Fawn
Brindle

White
Black
Brown

Mastiffs have short coats.

Cava-Shells are known for their coat length.

A Mastiff can have a litter of 10-12 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

A Cava-Shell can have a litter of 4-6 puppies on average. However, it's worth noting that the size of the litters can vary greatly. Factors that can influence litter size include the health of the mother, breeding history, and genetics.

Mastiffs typically have low vet costs due to their good health, but it's important to monitor their health and seek vet care when necessary.

While the Cava-Shell breed is generally healthy, occasional vet check-ups are still necessary to address any health concerns.

Gastric Torsion
Hip Dysplasia

Patellar Luxation
Hypothyroidism
Mitral Valve Disease

Entropion
Ectropion
Elbow Dysplasia
Progressive Retinal Atrophy
Retinal Dysplasia
Hypothyroidism

Ear Infections
Cherry Eye

Eye
Hip
Elbow
Thyroid Tests
X-Rays
Eye Examination

X-Rays
Ear Examination
Blood Work
Ocular Tests
Full Physical Examination regarding joint movement around the hip and kneecap
Diagnostic Tests for Hyperthyroidism

Mastiffs are a good choice for a low-key lifestyle due to their low energy levels.

Cava-Shells' high energy levels make them unsuitable for a low-key dog, choose accordingly.

Mastiff has average social needs and is less independent than other breeds.

Cava-Shell has very high social needs and requires regular mental and physical stimulation, a job or purpose, and companionship.

Mastiffs need only a small amount of physical activity, ideal for busy or elderly people or those with limited space.

Cava-Shells need moderate physical activity and are great for families and active individuals.

Mastiffs are known for their relaxed and calm nature and enjoy long periods of sleep.

Cava-Shells have moderate energy levels and typical sleep patterns of 12-14 hours per day.

Mastiffs are typically quiet and only bark when needed, such as to alert their owner or when in distress.

Cava-Shell dogs are generally less vocal than other breeds and only bark when necessary, such as to alert their owner or communicate.

Snuggling, Sleeping, Eating, Eating Snacks, Walk, Catch treats, Nap, Walking, Tug-of-war, People petts, Chase, Fetch, Running

Walk, Run

Mastiffs are medium-energy dogs and typically enjoy socializing and playing casual or even sustained games of chase with other dogs. They may also have occasional periods of barking or racing around the house.

Cava-Shells are high-energy dogs. They need mental as well as physical exercise. These dogs require a lot of your involvement and without it they can, and will, become problematic dogs.

There's really no limit to how far you walk your dog as long as they're comfortable. For Mastiff, it's at least 15 miles / week. Just remember to build distance and stamina gradually over time.

There's really no limit to how far you walk your dog as long as they're comfortable. For Cava-Shell, it's at least 9 miles / week. Just remember to build distance and stamina gradually over time.

In general most Mastiffs usually need at least 60 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

In general most Cava-Shells usually need at least 120 minutes of exercise daily. This can be spread across the day and include all sorts of high-energy activities, like walking, running and playing.

The Mastiff has low grooming needs and is easy to maintain.

Cava-Shells require significant grooming, including regular trims and professional grooming assistance to maintain their coat. They may also require frequent bathing to keep their coat and skin healthy.

Pin Brush
Nail Clipper

Pin Brush
Comb
Deshedder
Nail Clipper

For an average 170-230 pound (77 - 104 kg) Mastiff feed 8.5 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

For an average 17-25 pound (8 - 11 kg) Cava-Shell feed 3 cups daily. But, keep in mind, the amount you feed is going to be dependent on the quality of the food you are feeding.

The average cost of a Mastiff is somewhere $8.40 - $9.10 per day.

The average cost of a Cava-Shell is somewhere $1.70 - $2.00 per day.

The average per month expenses of a Mastiff is between $252 - $273. This makes an average of $3024 - $3276 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

The average per month expenses of a Cava-Shell is between $48 - $63. This makes an average of $576 - $756 per year. It will be on the higher side when the dog is still small because it will need more frequent visits to the vet, shots.

Mastiffs are average in obedience intelligence but have a high IQ and may cause trouble if left unsupervised.

Cava-Shell is a very intelligent and trainable breed.

Mastiffs have average emotions and adapt well to different situations.

This breed is sensitive to its environment and best suited for patient and understanding families with a consistent routine.

Mastiffs are good apartment dogs as long as they get enough exercise and stimulation outside of the apartment.

The Cava-Shell is a great apartment dog, thriving with sufficient exercise and time outside as part of their daily routine.

Mastiffs are very friendly with cats and make great companions for them.

Cava-Shells are good with cats, but early training is needed to prevent chasing behavior.

Mastiffs are average in their friendliness towards other dogs, and socialization can help.

Cava-Shells are generally very friendly towards other dogs, with a happy and affectionate temperament.

Mastiffs are averagely friendly around strangers but benefit from early socialisation.

Cava-Shells are friendly but may bark at strangers, and training is easy due to their intelligence.

Mastiffs are not known for being a highly playful breed.

Cava-Shells have an average level of playfulness, enjoying playtime like most dogs but not excessively so.