The words Dog Breed Info with the letter D inside of a black paw print

Mastiff Pictures

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Close up - A tan with black English Mastiff puppy wearing a green ribbon around its neck is feeding from its mother. Its littermate with a red ribbon is next to it.

Osyris' Mayhem of MistyTrails as a newborn puppy

Other Names
  • English Mastiff
  • Old English Mastiff
A tan with black newborn English Mastiff puppy is wearing a green shoe string around its neck and laying on the paw of a full sized English Mastiff.

Osyris' Mayhem of MistyTrails at 3 days old

A tan with black English Mastiff puppy is wearing a green collar sleeping on its left side and there is a green plush snake toy behind it.

Osyris' Mayhem of MistyTrails as a 2-week-old puppy

Close up upside down head shot - A tan with black English Mastiff puppy is wearing a green collar sleeping on a towel and there is a green highlighter marker in front of it.

Osyris' Mayhem of MistyTrails as a 2.5-week-old puppy

A tan with black English Mastiff puppy is wearing a green collar laying on the chest of a blonde haired girl who is wearing a green shirt and shiny red pants and laying on a brown couch.

Osyris' Mayhem of MistyTrails as a 3.5-week-old puppy

Left Profile - A tan with black English Mastiff puppy is standing on a carpeted table. There is a person behind it posing the puppy in a show stack.

Osyris' Mayhem of MistyTrails as a 5-week-old puppy

Close up head shot - A tan with black English Mastiff puppy is sleeping on a green blanket.

Osyris' Mayhem of MistyTrails as a 7-week-old puppy

Left Profile - A tan with black English Mastiff puppy is standing on a green blanket and it is being posed in a show stack by a person behind it who is wearing a red shirt and black pants.

Osyris' Mayhem of MistyTrails as a 7-week-old puppy

Close up view from the back of the legs - The hind structure of an English Mastiff puppy on a green blanket with a person's hand on the puppy posing it.

Osyris' Mayhem of MistyTrails as a 7-week-old puppy showing good hind structure

An English Mastiff puppy is laying in the arms of a man with its head on the man's shoulder.

Osyris' Mayhem of MistyTrails as a 10-week-old puppy

A tan with black English Mastiff puppy is sitting in front of a black medal gate that is a few feet taller than the dog on a hardwood floor inside of a living room looking forward. There is a tan wall behind it.

Osyris' Mayhem of MistyTrails at 3 months and 50 lbs.—look at the height difference between the black railing and his head, and the ratio of his paws to his size now from this pic and the 4 month pic below. Compliments of Christine and MistyTrails Mastiffs

A tan with black English Mastiff puppy is sitting on a hardwood floor in front of a black medal gate that is a few inches taller than the dog. Its head is tilted to the right. There is a tan wall behind it.

Osyris' Mayhem of MistyTrails at 4 months and 78 lbs.—what a difference one month can make. Compliments of Christine and MistyTrails Mastiffs

A tan with black English Mastiff puppy is sitting in grass and there is a person next to it. There is a scenic view of some buildings and a pine forest behind it.

Osyris' Mayhem of MistyTrails at 5 months and 101 pounds, compliments of Christine and MistyTrails Mastiffs

A tan with black English Mastiff is laying on a black leather couch and there is a blonde haired child next to it. The dog is huge compared to the child.

Osyris' Mayhem of MistyTrails at 7 months old with his 2-year-old owner, compliments of Christine and MistyTrails Mastiffs

A tan with black English Mastiff is sitting on a hardwood floor next to a cherry wood cabinet and it is looking forward in a kitchen. The dog is almost as tall as the countertop

Osyris' Mayhem of MistyTrails at 7 months and 140 pounds, compliments of Christine and MistyTrails Mastiffs

A tan with black English Mastiff is sitting inside of a back medal gate on top of a white towel. Its mouth is open and tongue is out. The dog is a couple of feet taller than the gate.

Osyris' Mayhem of MistyTrails at 7 months old next to the railing for above comparison

A tan with black English Mastiff dog is standing on a hardwood floor inside of a living room behind a black medal gate. Its head is above the level of the gate. The dog's mouth is open. There is a tan wall behind it.

Osyris' Mayhem of MistyTrails at 8 months old, weighing 160 pounds

Left Profile - A tan with black English Mastiff is standing in sand on a beach in front of a body of water.

Osyris' Mayhem of MistyTrails at 9 months old, weighing over 170 pounds

Close up upper body shot - A wrinkly, droopy looking, tan with black English Mastiff is standing in front of a body of water.

Osyris' Mayhem of MistyTrails at 9 months old, weighing over 170 pounds

A tan with black English Mastiff is sitting behind a black medal gate on top of a dog bed. the dogs neck is above the top of the gate and its head is tilted to the left. There is a plastic blue laundry basket with a monkey plush toy inside of it in front of the gate. The tan wall has damage on the drywall inside of the gated area.

Osyris' Mayhem of MistyTrails at 10 months

One extra large Mastiff dog and two small blonde-haired kids are standing on a hardwood floor looking out of a livingroom window. The dog is taller than the kids.

Osyris' Mayhem of MistyTrails at 11 months

A huge, tan with black English Mastiff is standing in front of stairs. Its mouth is open and tongue is out.

Osyris' Mayhem of MistyTrails at 1 year old and still growing

Side view - A very large, tan with black English Mastiff is sitting in front of a staircase that is blocked by a gate. Its mouth is open and tongue is out.

Osyris' Mayhem of MistyTrails at 1 year old

Right Profile - A tan with black English Mastiff is sitting in front of a staircase blocked by a gate. Its mouth is open and tongue is out. The dog is taller than the gate.

Osyris' Mayhem of MistyTrails at 1 year old, weighing about 185 pounds

A tan with black English mastiff is sitting on a tiled floor next to a blonde-haired girl in a pink shirt wearing a black headband.

Mayhem is a happy follower dog. Even a 5-year-old can control him. "Will this breed ever cease to amaze me? My whopping 35-ish-pound 5-year-old daughter was making Mayhem wait to go out to the truck with all the house doors open, the tailgate down, and the truck stairs set up waiting for him to get in. He didn't even try and budge until the 5-year-old told him he could. She was so proud of herself! My little boy is growing up."