Prague Ratter

Prague Ratter is a small dog breed from the Czech Republic that holds the record for the smaller dog in the world (measured by height). Chihuahuas are the smallest dogs in the world measured by weight. They are alert dogs with a keen sense of smell that has been used for killing rats.

This dog breed dates several centuries the past but there are no direct records of the origin of these dogs. Today these dogs are not as popular around the world as they are in their native land.

FUN FACT: These dogs are called Pražský Krysařík in their native land.

Prague Ratter Height


8-9 in (21-23 cm)

Prague Ratter Weight


3-8 lb (1,5-3 kg)

Prague Ratter Origin


Czech Republic

Prague Ratter Life Expectancy

Life Expectancy:

12-14 years

Dog Breed Characteristics

Energy Level
Grooming Needs
Exercise Needs
Kid Friendly
Dog Friendly
General Health


Prague Ratter dogs have a short and smooth coat that doesn’t require much care. Brushing once a week will be enough to keep these dogs clean and healthy.

Prague Ratter coat colors:

  • Black
  • Brown
  • Blue
  • Yellow recessive with red
  • Black and tan merle
  • Brown and tan merle

You will also have to check their ears regularly for any signs of infections (bad odor, redness, etc.). You can wipe their ears with the cotton ball dipped into an ear cleaner. Prague Ratter teeth should be brushed weekly to remove tartar build-up and to secure fresh breath and healthy gums. Their nails should be trimmed when you hear their nails clicking on the floor.


Prague Ratter is an active dog that requires a proper amount of daily activities. Long walks or any type of playing will be enough to keep this dog happy and healthy. If their physical needs are met you don’t have to worry that your dog will misbehave.


Prague Ratter also requires proper socialization like any other dog breed. The best way is to start with the socialization process as soon as you bring your Prague Ratter home. The most important thing is to allow your dog to explore all different sights, sounds, people, and other animals so he could learn how to properly react in many different situations he may find himself in. With proper socialization, your dog will be well behaved and you don’t have to worry that he will develop behavior problems.

Prague Ratter and kids

As a pet, the Prague Ratter can be wonderful. They get along great with all family members and love spending time with them.

No matter how good your dog is you should never let them play without supervision, so any unwanted behavior would emerge (nipping, tail pulling, etc.)

Prague Ratter and other animals

Prague Ratter gets along with other dogs and enjoys their company. With proper socialization, you don't have to worry that your dog will become aggressive or wouldn't get along with other dogs. They are not suited for living with other smaller animals because of their high prey drive they will immediately chase all smaller animals.


Prague Ratter is a healthy dog breed with a life expectancy of 12-14 years. To be sure that you will end up with the best possible dog regarding health always buy him from responsible and official dog breeders. Because they regularly test their breeding dogs you can be sure that their puppies won’t have any inherited diseases.  Always ask to see the results of tests from the puppy’s parents.

Prague Ratter breeders

Prague Ratter is not a very popular dog across the world so you must be patient is you want to get this dog. When trying to find Prague Ratter breeders take your time and explore all your options. We advise you only to search and contact official and responsible dog breeders because if you do so you can be sure that your future puppy will have the best possible start in life  - good and responsible breeders take good care of their dogs and provide them with everything they need.

Prague Ratters are pretty rare dogs so you must be prepared that you will have to wait for your puppy a bit longer.


World Dog Finder team

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Updated at18.03.2021.