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7/6/2024 11:24 AM



Phyllis' Web Page

Mastiff  : :  Female (spayed)  : :  X-Large

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PLEASE NOTE: GPMR communicates primarily by email.  If you have any questions regarding one of our Mastiffs, please read their bio and if you still have questions - drop us an email at  If you have questions about our adoption procedures, please go to our page called "Adoption Info."  We answer email inquiries daily. 
GPMR does not have a shelter. All of our dogs are kept in loving foster homes. We must have a completed adoption application on file before meeting any of our mastiffs.
GPMR adopts to the states of Oklahoma, Texas, Kansas, Arkansas, Missouri, Louisiana and parts of Colorado. 
!!!Any mastiffs being adopted out of the state of Oklahoma require a health certificate to be paid for by the adopter!!!



About Phyllis

  • Status: Available for Adoption (adoption info)
  • Adoption Fee: 450
  • Species: Dog
  • Rescue ID: MO042924
  • General Color: Fawn
  • Current Size: 146 Pounds
  • Current Age: 2 Years 2 Months (best estimate)
  • Microchipped: Yes
  • Housetrained: Yes
Meet Phyllis!  Phyllis is a stunning young female English Mastiff.  We estimate her age around 1.5-2 years old and she's about 150 lbs. She was dumped near a farm and rescued after multiple attempts by the property owners to run her off the farm. She kept going back! Unfortunately she was chasing the cattle so not welcome to stay there :)

Since being in rescue, she has shown us her big personality.  Phyllis is incredibly smart, she's responsive to positive reinforcement and verbal correction.  She may not have not learned social skills and manners in her previous life, but she is so eager and quick to learn.  She has come a long way in short time and will continue to improve in a home that has consistency and boundaries. 

Phyllis is very curious, undoubtably secondary to her intelligence, so she has been crated while alone.  Otherwise she'll find things to chew on that she shouldn't. She crates well but does whine a bit if she sees you and knows she could be with you instead.  Phyllis enjoys walks and has been learning to heel.  She was slowly introduced to her foster brother by joining him on walks for several days in a row before interacting with him.  It took Phyllis about a week to warm up to her foster brother, but now they get along just fine, without issue.  She does want to be the alpha, but that's fine with the passive resident dog. She can only be placed with a submissive dog who doesn't mind her bossiness. 

We suspect that Phyllis may have had to struggle for food, she has displayed some resource guarding behavior and has been grumpy if she thinks she has to compete for her food.  We hope this will go away as she feels more secure in daily meals, but until then, we advise that she be fed alone and counters kept clear of food for potential surfing, so she knows what is hers, and what belongs to the people. 

Phyllis is a gorgeous and healthy young mastiff.  She has the intelligence and potential to be a wonderful companion to a human that is committed to continuing her basic obedience.  She requires an owner with experience and is not recommended for a first time Mastiff owner. We will be requiring her adopters to enroll her in either at home training or a basic obedience class, to help ensure a successful transition. She is not recommended for homes with kids or cats. 

More about Phyllis

Not Good with Cats, Is Not Good with Kids

Save a Mastiff...Adopt, Foster, Volunteer!

Other Pictures of Phyllis (click to see larger version):

Phyllis Phyllis Phyllis