They are a kind of Campbell's dwarf Russian hamster. The blueish fur is a simple color mutation. Like other dwarf hamsters, they are extremely small and delicate.
It comes from the Dwarf Campbells Russian Hamsters family and is named for its color. They are said to generally be friendlier than most other dwarf hamster species and are more active in the daytime than the Syrian hamster.
They are related to the Russian Dwarf Hamster. They are called the blueberry hamster because of the bluish color of their fur. They are friendly inquisitive little animals that like to be held.
