Curly mice — also known as Rex Mice — are one of the most distinctive fancy mouse breeds in the world, loved for their naturally wavy, soft coats. This unique look isn’t the result of selective breeding alone, but comes from a natural genetic mutation that changes how each hair grows, creating a plush, velvety texture. Even their whiskers often curl or kink in gentle waves.
The Science Behind Their Curly Fur

The characteristic curl comes from the rex gene, which reduces the stiffness of the hair and alters its follicle structure. This gene is also found in other animals, like cats and rabbits, but in mice, it produces a striking, cuddly appearance that sets them apart in the fancy mouse world.

Why Curly Mice Are Popular Pets
Besides their adorable appearance, curly mice are loved for their calm, sociable temperament, making them perfect for pet owners:

- Friendly and gentle compared to many other mouse breeds
- Easy to handle and socialize
- Great for small groups, as they enjoy company
- Low-maintenance coat, soft and silky

These traits make them an excellent choice for families, beginners, and hobbyists who want a small, interactive pet.
Care and Maintenance
Curly mice are surprisingly easy to care for:

- Their fur doesn’t require brushing
- They groom themselves regularly
- Minimal shedding makes them low-maintenance

This combination of beauty and simplicity has made them increasingly popular among pet enthusiasts worldwide.
A Natural Wonder



With their charming wavy fur and playful personality, curly mice have captured hearts globally. Pet photographers and social media users often describe them as “tiny, velvety characters straight out of a cartoon,” and they continue to grow in popularity as a beloved small pet.

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