Dwarf hamsters are small rodents belonging to the family Cricetidae. They are popular pets due to their small size, typically measuring 2 to 4 inches long. There are several species, including the Roborovski and Campbell's dwarf hamsters, each with unique characteristics and colors. They are known for their friendly nature and can be social animals when handled regularly. 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 of pellets, fresh vegetables, and occasional treats. Proper care ensures a healthy and happy pet.