i dont think so. you should bring him to the vet and they will most likely be able to help your hammy out.
Hamsters can be very territorial. They are better off kept on their own.
Hamster live better alone . Some hamsters even get in to fights with other Hamsters . It's not like they will get bore just play with them sometimes and put them in their hamster ball and they'll be fine . :p
Hamsters don't shed.Some good hamsters to own are...-Black Bear Hamsters-Teddy or Fancy Bear Hamsters-Long Hair Hamsters
Its better for you to separate the hamsters if they are fighting.
No i guess my friends hamsters killled its own pair
It depends on the hamster (:
its ok but wood shavings are much better because its easier to clean, we breed hamsters and saw that wood shavings are better for hamsters.
Girl hamsters behave best they are more calm. Boy hamsters like to fight
No Syrian hamsters live on their own. Dwarf hamsters eat insects they don't hunt.
some hamsters are trained but if the latch on the cage is shut then no
Hamsters are easier to care for but both are delightful pets
Male hamsters tend to be less aggressive and protective than female hamsters.