So I have 2 sibling hamsters(both female) and I separated them due to small amounts of fighting over their wheel and water bottle. Ones in an aquarium and ones in a wire cage. I'm swapping them so they get used to their scents and get to use the wheel equally. And i got another bottle. I just bought a tank topper for the 10-gallon tank and have wheels in the mail. I have two water bottles now though, could I maybe reintroduce them in the aquarium now even though there's still one wheel? It has a ton of space.

keep doing what u have been doing so they get used to eachothers scents, ur doing great, but dnt RUSH.

i used to raise hamsters and breed them, they are teritorial.

u have to give them time, keep doing that for one more week.

Hamsters can recognize their siblings, or at least Dwarfs can, I don't know about Syrians. pets question and answers,www.5d2d.com

Here's a bit more info on it (It's for dwarfs but oh well) http://russiandwarfhamsters.tripod.com/h…

keep doing what your doing and then put them in the same cage a half hour a day