The Moscow watchdog is descended from crosses between the St. Bernard, Caucasian Shepherd, and Russian Spotted Hound breeds. It is well known as a massive dog, weighing between 100 and 150 lbs with a gentle temperament and could fit into any environment as a reliable protective family pet.
The Black Russian Terrier was developed in the USSR sometime between the late 1940s and early 1950s for use as military dogs. They are intelligent, hardy, brave, energetic and weighing 80 to 145 pounds make an ideal guard dog for your house. It must be said that it’s not an appropriate choice for a first-time dog owner because it needs daily physical training and socializing in order to build good habits like listening to your instructions and correctly identifying threatening situations.
The Caucasian Shepherd, or Caucasian Ovcharka, originated in the Caucasus mountainous region. This breed was created as a livestock and guard dog due to it’s aggressive nature. If not properly trained, this dog can be very dangerous and cannot be stopped in a real situation unless well trained. As a rare breed, they aren't cheap at all, at least $2000.
The East European Shepherd or Russian German Shepherd is a cross-breed based on the German Shepherd and was developed in the 1930-1950s for military use, police work and as a border guard. This breed is well known as a smart and loyal dog, and is well suited as a therapy dog or guide dog for the blind. They also can be a reliable family guard dog.
The Central Asian Shepherd is an ancient breed of dog from Central Asia. They were traditionally used as livestock guard dogs and as a result of they excel in obedience, as well as territorial and personal protection. They are intelligent and can make great house pets.
The South Russian Ovcharka or Ukrainian Shepherd dog is from the Ukrainian steppes between the Black Sea and the Sea of Azov. They were bred to guard property but they require their owners to display strong leadership. Unless you are someone who is firm, confident, and 100% consistent their protective nature will explode in a negative way.
The Russian Toy is a small dog breed, measuring between 20 cm and 28 cm, weighing between 1kg and 3 kg and originates in Russia. It is descended from the English Toy Terrier (Manchester Terrier). They were bred to be a rat fighters and as a guard dog because they are usually very reserved with strangers, but loyal to their owners and always brave enough to protect themselves from danger regardless of their diminutive stature.
Bolonka, or Bolonka Zwetna in Germany, was developed in Moscow and Saint Petersburg. Even though they're small dogs coming in at between 18 and 27 cm in height and weighing between 2 and 5kg, they can be a great guard dog due to their strong tendency to defend their territory and their favorite humans. They will bark to alert you but have fewer advantages in the real conflicts as a result of their small size.
The Russian Spaniel is a cross-breed dog, developed in the Soviet Union and used as a hunting dog. This breed does not suffer from any significant complaints in comparison with other spaniels. It is an energetic, friendly and devoted dog breed that can be kept as a companion. If properly trained, it also can be a reliable guard dog for the family.
The West Siberian Laika is a medium-sized Nordic spitz type of hunting dog. It is known for its method of hunting, called bark-pointing. People can find the prey easily by noticing where the dog is barking at. This breed is very affectionate and devoted to the master dog, and they're alert enough to bark at strangers approaching the house, but won't be too aggressive to the unfamiliar people. As such, it should be on the list of reliable guard dog options.