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7/6/2024 11:24 AM



Koa's Web Page

Mastiff  : :  Male (neutered)  : :  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 Koa

  • Status: Available for Adoption (adoption info)
  • Adoption Fee: 450
  • Species: Dog
  • Rescue ID: TX052424
  • General Color: Red
  • Color: Apricot
  • Current Size: 140 Pounds
  • Current Age: 3 Years 9 Months (best estimate)
  • Microchipped: Yes
  • Housetrained: Yes
Meet Koa! This handsome apricot boy was surrendered to GPMR when his owner was diagnosed with cancer and no longer able to keep him with the treatments she has to go through. It's obvious that she loved Koa and a very sad situation for both Koa and his owner.

Koa is overall very well behaved. His foster Dad said he's one of the best behaved dogs he's had. He responds to every command and his owner had enrolled him in a training program previously - and it shows. He is a gentle boy, typical Mastiff he spends a lot of time napping. He enjoys his morning walks and really just wants to be with his people. He's used to someone being around all day so he would not be the best fit for a busy working family who is gone all day. He doesn't like to be left outside alone and will scratch the door to let you know when he's ready to come in. Koa lived with other dogs previously but we have not observed him with other dogs yet as he's the only dog in his foster home.

We think Koa could sense his owner was sick as he definitely was protective of her when we met him. He would bark and rush foward growling at people who approached her. Koa was also born during COVID and with these dogs, we have seen they have not been socialized outside of their home and so they don't know how to appropriately greet strangers. This is something we're already working on with Koa and he's doing much better. Koa will require an owner with guardian breed experience as he needs a firm owner who is not going to allow this inappropriate behavior. He responds extremely well when verbally corrected. Since we don't have any history of Koa with children, we would prefer an adult only home for him.

Koa's vet visit went really well. He is heartworm negative! He does have a small skin lump like many Mastiffs get, but the vet wasn't concerned and said it can be monitored and if it starts growing or changing, he could have surgery to remove it. He's a healthy boy!

Koa is being fostered in Amarillo, TX.

More about Koa

Good with Dogs, Not Good with Cats

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

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

Koa Koa Koa