Black Russian Terriers are large dogs. Males typically weigh between 95 to 140 pounds, while females usually weigh around 80 to 100 pounds. They stand approximately 26 to 30 inches tall at the shoulder.

Black Russian Terriers are known for their loyalty, protective instincts, and intelligence. They tend to be very devoted to their families and can be somewhat reserved with strangers. Early socialization is crucial to help them develop a well-rounded personality.

This breed has a dense, thick, and water-resistant double coat that is typically black, although some may have a small amount of gray. Their coat is curly or wavy and requires regular grooming to prevent matting and keep it in good condition.

Black Russian Terriers thrive in active households where they have space to roam and engage in physical activities. They do best in homes with yards, but they can adapt to various environments if given sufficient exercise and mental challenges.

This breed enjoys a variety of activities, including obedience training, agility, protection work, and various dog sports. They require regular exercise such as long walks, play sessions, and mental stimulation to keep them happy and fit. Activities that challenge their intelligence are also beneficial.