Meet Fox A 4-year-old Mastiff mix rocking a stunning chocolate brindle coat and tipping the scales at a confident 87 lbs of pure presence. Fox is that girl — the prettiest at the party, the one everyone notices when she walks in. She’d do best as the only pet, but honestly... with all this beauty, who would need more? If you’re looking for a loyal, statuesque queen to spoil, Fox is ready to take center stage in your home.