Comparison: Chihuahua and Prague Ratter
Chihuahua and Prague Ratter are marked as similar in our database. The table compares only the data we have on the breeds.


| Chihuahua | Prague Ratter | |
|---|---|---|
| FCI group | 9. Companion and Toy Dogs | 9. Companion and Toy Dogs |
| Country of origin | Mexico | Czechia |
| Category | Very small (toy) | Very small (toy) |
| Height at withers | 15–23 cm | 21–23 cm |
| Weight | 1.5–3 kg | – |
| Life span | 12–18 years | – |
| Recognition features |
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| Coat | Smooth or long coat, all colours. | Two varieties: 1) short, glossy, close-fitting, thick, without bald places; 2) moderately long with fringes on ears, quarters and tail and slightly longer on the chest. Colours: black, brown or blue with tan markings (in any shade), recessive yellow (with pale pigmentation) and red without tan, plus black-and-tan merle and brown-and-tan merle. |
| Purpose | The smallest dog breed in the world; from Mexico, likely descended from Toltec and Aztec dogs. | A companion dog; historically used to kill rats, for which its small size, quickness and keen sense of smell suited it. |
Breed page: Chihuahua · Breed page: Prague Ratter
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The information is indicative. Texts are based on available sources and may contain inaccuracies; for binding details (e.g. for breeding or shows) use the official breed standard.