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The Chinese hamster (Cricetulus griseus or Cricetulus barabensis griseus) is a rodent in the genus Cricetulus of the subfamily Cricetidae that originated in the deserts of northern China and Mongolia. They are distinguished by an uncommonly long tail in comparison to other hamsters, most of whose tails are stubby.
In 1948, the Chinese hamster was first used in the United States for breeding in research laboratories. In 1957, Theodore T. Puck obtained a female Chinese hamster from Dr. George Yerganian's laboratory at the Boston Cancer Research Foundation and used it to derive the original Chinese hamster ovary (CHO) cell line.
Gestation lasts 16 to 18 days for Syrian hamsters, 18 to 21 days for Russian hamsters, 21 to 23 days for Chinese hamsters and 23 to 30 for Roborovski hamsters. The average litter size for Syrian hamsters is about seven pups, but can be as great as 24, which is the maximum number of pups that can be contained in the uterus.
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This genus is a sister taxa to the desert hamster genus Phodopus. [2] As of 2024, two closely related species are recognized in this genus: [2] Urocricetus alticola - Ladakh dwarf hamster, native to the western Nepal, northern India, and the Chinese autonomous region of Tibet
The Chinese striped hamster (Cricetulus barabensis), also known as the striped dwarf hamster, is a species of hamster. It is distributed across North Asia from southern Siberia through Mongolia and northeastern China to northern North Korea. An adult Chinese striped hamster weighs 20 to 35 g (0.7 to 1.2 oz), and has a body length of 72 to 116 ...
Roborovski hamsters remain underground in winter and survive in that season by stockpiling some food in warmer weather and storing it in special food chambers within their burrow system. In the Chinese province of Shaanxi it is known for foraging millet seeds. [13] In Mongolia, insects like beetles, earwigs and crickets are part of its diet.
Cricetulus is a genus of rodent in the family Cricetidae (voles and hamsters); it has seven member species that inhabit arid or semi-arid regions in Eurasia. They tend to be more ratlike in appearance than typical hamsters, hence the common name ratlike hamster. Many of the species are considered dwarf hamsters.