hey how about a european hamsters they are tame and never bite at all when you do something to them they are calm gentle hamsters and the gender to get is a boy they are the more calmer than the girls i have one and he is fat and they live up to 8 years old and depending on the size of their cage they can grow to the size of a guinie pig and can use their cheeck pouches as floaties when they swim their colors are a black strip brown white and cinnimon i on the other hand have a black mutation with white paws and a white strip under the chin and goes down to its belly and his name is socks and he is 2 years old