Mink Rat

Scientific NameRattus norvegicus
Common NameMink Rat
Care LevelIntermediate
Lifespan2-3 years
Adult Size9-11 inches (including tail)
OriginMutation from Domesticated Brown Rat
TemperamentSocial, Curious, Playful

History & Domestication

The Mink Rat, despite its name, isn’t a separate species or a hybrid with the animal commonly associated with mink coats. Rather, it’s a color variation of the standard domesticated rat, specifically a brown shade deeper than that of the agouti rat but lighter than the black rat. Mink Rats, over time, have gained popularity among pet enthusiasts due to their unique and elegant coloration.

This color mutation likely appeared spontaneously in domestic rat populations before being stabilized through targeted breeding efforts. Breeders recognized the potential of this hue and have, over generations, perfected the mink coloration in domesticated rats.


The Mink Rat, much like its domesticated rat counterparts, measures anywhere between 9-11 inches when fully grown, tail included. This standard size, combined with their robust physique, ensures they are neither too delicate nor too bulky, making them ideal pets.


The typical lifespan of a Mink Rat ranges from 2 to 3 years. As with other rat varieties, this can vary based on factors like genetics, care, nutrition, and the environment in which they live.


Breeding Mink Rats demands a deep understanding of rat genetics to consistently produce this specific coloration. Breeders often mate Mink Rats with other Mink Rats to maintain the color, but when paired with other rat color variants, the resultant litter can be a mix of mink and other colorations.

Unique Features

The primary standout feature of the Mink Rat is undoubtedly its color. This distinct shade, richer than agouti but not as deep as black, gives the Mink Rat its name and allure. This beautiful, earthy tone can vary slightly between individual rats, but the rich, mink color remains a constant hallmark.

Behavior and Temperament

Mink Rats are just as delightful and engaging as their more commonly colored counterparts. Highly intelligent and ever curious, these rats are always eager to explore their surroundings and interact with their human caregivers. They form strong bonds with those who care for them and display a distinctively playful nature that rat owners cherish.


Owing to their sociable nature, Mink Rats thrive on regular interactions with their caregivers. Gentle handling from a young age fosters trust, which leads to a more rewarding companionship. Their social tendencies also make them ideal to be kept in pairs or groups to prevent loneliness.

Grooming Needs

Mink Rats are self-sufficient groomers. While they do a great job of keeping themselves clean, the occasional bath can help maintain their coat’s sheen and remove any excess oil or dirt. Regular nail trims and ear checks can further ensure their well-being.

Diet & Nutrition

Feeding a Mink Rat mirrors the dietary requirements of other domestic rats. A quality rat pellet should be the mainstay of their diet, supplemented with fresh fruits, vegetables, and the occasional protein source. Fresh water, naturally, should always be available.


The ideal temperature range for a Mink Rat lies between 65°F and 75°F. While they cope well with slight fluctuations in temperature, providing them with a warm corner in their habitat can be beneficial, especially during cooler periods.

Common Health Issues

While their unique coloration doesn’t predispose them to any specific health issues, Mink Rats, like other domesticated rats, can experience respiratory infections, tumors, and other common rat health concerns. Regular vet check-ups and proactive care can prevent or manage many of these issues.

Habitat Requirements

A spacious, well-ventilated cage with multiple levels is ideal for Mink Rats. Their environment should be enriched with toys, tunnels, climbing structures, and resting places. Bedding should be absorbent and safe, with paper-based or aspen shavings being top choices.

Cost of Care

The costs associated with caring for a Mink Rat encompass both initial and ongoing expenses. While the initial setup — including the rat itself, cage, and starting supplies — may be a one-time cost, ongoing expenses such as food, toys, bedding, and healthcare should be factored into the long-term budget for any potential rat owner.

Mink Rat FAQs (Frequently Asked Questions)