Dwarf Hamster

Dwarf Hamsters or phodopus are the a member of the vole and hamster family and are known as dwarf hamsters because of their small size.

Species
The three main species kept as pets are: The colour genetics of dwarf hamsters is much less than thta in syrian hamsters. If handled often, they can become tame quickly and become good pets.
 * Phodopus campbelli - Campbell's dwarf hamster
 * Phodopus roborovskii - Roborovski's (desert) dwarf hamster
 * Phodopus sungorus - Djungarian hamster (Winter white Russian dwarf hamster)

Russian dwraf hamsters and Campbell's dwarf hamster generally live for 1.5 - 2.5 years. They reach a length of 8cm - 10cm. However, Chinese dwarf hamsters live for 2.5 - 3.5 years. they reach a length of 10cm - 12cm. The Roborovski hamster is the smallest at only 4–5 cm and lives for 3 to 3.5 years.

These subspecies are quite similar, so it is hard to tell them apart unless you can identify them from their colour genetics and size.