Onyx is an 8 month old female Mastif/Lab mix. She is a big beautiful girl. Onyx needs a family that has experience with large dogs. She has lots of energy and needs a house with a yard. When she becomes an adult she should weigh about 150lbs. She needs a little help with her housetraining. If you are interested in Onyx please stop by our Atlas Mall location or for more information please call 718 326-6070