The dwarf hamster is a small rodent belonging to the family Cricetidae. They are popular pets due to their small size, typically measuring 2 to 4 inches long. Dwarf hamsters are known for their friendly nature and can be found in various species, including the Roborovski and Campbell's dwarf hamsters. These hamsters are nocturnal, meaning they are most active at night. They require a suitable habitat with plenty of space to run and explore, as well as a balanced diet that includes pellets, fresh vegetables, and occasional treats. Proper care ensures a healthy and happy pet.