Start your journey together! Apply now. Trex is a striking young Great Pyrenees/Mastiff mix with a beautiful blend of black and tan coloring. At Cabot Animal Support Service, he is looking for a loving family that will appreciate his large presence and gentle spirit. Born on April 27, Trex is a devoted Taurus—Taurus dogs are famously loyal and enjoy plenty of affection. Ready to fall in love? Hit apply and lets get started.