Texas Heeler has average risk of obesity, needs daily walks and quality diet to maintain healthy weight.

Mastiff has high obesity risk, needs regular exercise and food control to maintain healthy weight.

Clever
Stubborn
Obedient

Affectionate
Cheerful
Intelligent
Protective
Alert
Courageous
Loyal

Texas Heelers are decent watchdogs - they'll alert their owner if something seems amiss.

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.

United States

England

Australian Shepherd and Australian Cattle Dog

Molosser-type Dogs

American Canine Hybrid Club
Dog Registry of America Inc.
Animal Research Foundation

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

1970s

1800s

Brown

Brown

Black

Black

Fawn
Blue
Black

Cream
Fawn
Brindle

Texas Heelers have coats that can be either short or medium in length.

Mastiffs have short coats.

A Texas Heeler can have a litter of 13-15 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 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.

Texas Heelers have average adaptability to changes in lifestyle and living environments compared to other breeds.

Mastiffs are highly adaptable and versatile, making them excellent companions for families and individuals of all lifestyles.

Texas Heelers are susceptible to health issues like all breeds, so it's important to monitor their health and seek veterinary care when needed.

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.

Distichiasis
Elbow Dysplasia
Hip Dysplasia
Osteochondritis Dissecans
Progressive Retinal Atrophy (PRA)
Collie Eye Anomaly (CEA)

Gastric Torsion
Hip Dysplasia

Deafness
Cataracts
Epilepsy

Entropion
Ectropion
Elbow Dysplasia
Progressive Retinal Atrophy
Retinal Dysplasia
Hypothyroidism

Eye Examination
Blood Analysis
Hearing Tests
Full Body Physical Examination

Eye
Hip
Elbow
Thyroid Tests
X-Rays
Eye Examination

Texas Heelers are suitable for those with a balanced lifestyle as they have an average energy level.

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

Texas Heeler has below average social needs and is content with spending time alone.

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

Texas Heelers need moderate physical activity and are great for families and active individuals.

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

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

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

Texas Heeler is an average drooler, monitor for excessive drooling which may indicate health issues.

Mastiff excessively drools, consider a different breed if not appealing.

Fetch, Road trip, Dog Parks, Shopping, Walk, Swim, Tug-of-war, Hide & Seek, Running, Training, Cuddles, Herding, Run, Walking, Cuddling, Tricks, Playdate, Run outside, Walks, Playing, Barking, Water, Digging, Eating Snacks, Bath time, Hiking, Snacking, Swimming, Learning tricks, Snuggles

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

Texas Heelers 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.

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.

There's really no limit to how far you walk your dog as long as they're comfortable. For Texas Heeler, it's at least 14 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 Mastiff, it's at least 15 miles / week. Just remember to build distance and stamina gradually over time.

In general most Texas Heelers usually need at least 90 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 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.

The Texas Heeler is a low-maintenance breed that doesn't require much grooming.

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

Slicker Brush
Nail Clipper

Pin Brush
Nail Clipper

For an average 45-50 pound (20 - 23 kg) Texas Heeler 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.

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.

The average cost of a Texas Heeler is somewhere $1.70 - $2.00 per day.

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

The average per month expenses of a Texas Heeler 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.

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.

This breed is sensitive and requires gentle handling and a calm home environment.

Mastiffs have average emotions and adapt well to different situations.

Texas Heelers can do well in apartments with enough exercise and time outside, but a small yard would be ideal.

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

Texas Heelers have an average level of friendliness towards children.

Mastiffs make excellent family pets for kids due to their gentle, protective nature and calm temperament.

Texas Heelers are somewhat cat friendly and can be trained to get along with cats.

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

Texas Heelers have an average level of playfulness, enjoying playtime like most dogs but not excessively so.

Mastiffs are not known for being a highly playful breed.