They are fully grown at the age of 5 months, when there are no visible differences in appearance, but that could be linked to age. Depending on the type of hamster can compare its size with an average size adult hamster for type, but sometimes even this is not indicative because it can work on older hamster which gene was not destined to reach an average size.
Syrian hamsters are the average of 15 to 20 cm, wherein the females are larger than males. Next, sort the most indicative fact that hamsters with age lose their quality thick fur, the notes thin and less overgrown with fur, dry skin, are generally less active, thin and eat less. Of course, if you know approximately how old she was hrčkica when you got it and how it is with you, the latter should not be confused with the early signs of a disease.
As for the stay of the Syrian hamster in the bathroom, not very advisable for reasons of sensitivity hamsters heat. In fact, they are most comfortable at temperatures feel like a man (18-24 ° C), and in the bathroom, especially when you take a bath or a shower, this temperature can be much higher. Temperature, together with high humidity, the hamsters can lead to heat stroke, which is reflected in hamsters claudication and lethargy, passed the ears, sweating, or the appearance of fur dull. Also, how often ventilated bathroom hamster are exposed to an additional draft the contrary, exposure to cold temperatures (except, of course, in the summer months).
Try hrčkica placed in the living room, where they will not be exposed to unfavorable external factors, you will always close if you want to contact with it, and at night will not interfere with restful sleep household.
Now, you mentioned that you note your hrčkica to biting cage. This is common in hamsters, and is most often associated with natural teeth need to wear, rather than dissatisfaction with the offered food. To enable it to properly wear teeth (biting grid often leads to injury), offer a multitude of toy made of wood or mineral stone (you can find them in the Pet Center stores) tailored just needs hamsters.
A Syrian hamsters, nutrition and accommodation wrote to a colleague Ljiljana Vrhovac Uzur, dr.vet.med., Colleague Tanja Krulc, dr.vet.med. and colleague Silvija Havre Lovric, dr.vet.med.
http://moj.pet-centar.hr/Pitajte-nase-veterinare-Male-zivotinje/Smjestaj-i-procjena-starosti-dobi-hrcka-/-Hrcak-grize-kavez-5182.html