Jack is about 3 months old and we are completely guessing on the breed. It does seem like he will be large when he is full grown. This boy has so much energy, he needs a very active family. He would be a great little jogging partner. He is good with other dogs, I am sure he would be fine with cats with the right guidance. He currently weighs about 15 pounds He has been neutered, vaccinated and microchipped. If you are interested in meeting or adopting him please go straight to our website and fill out the on line adoption application.