I have a 1 1/2 year old spayed female Bengal. We then decided to get a male 12wk old Bengal kitten about two months ago. When we brought him home, we did the proper introduction down to the T. Aurora, our female, hissed and growled at first, but eventually they began playing and living with each other in relative peace. However, it isn't complete peace. Aurora tolerates the new male. They play and eat together like normal cats, but Aurora doesn't like Titan (our male kitten) in her space. If Aurora is laying on the bed or on the couch with me and Titan jumps up, she hisses for him to go away. If Titan is on her cat tree and she jumps up, she bullies him to go away. If I am in the bathroom and Titan is hanging out on the sink and Aurora walks in, she hisses at Titan to leave. It seems like she is acting territorial and that is my problem. How do I fix it?? Sometimes she and Titan are great together, and others she is a big grouch. Will she always be a sour puss, or have I not given them enough time? Is it because I haven't gotten Titan neutered (He has an appointment to get fixed next week)? Once I neuter Titan, will the problem go away? Is there something I am doing wrong? Please help, because I do not want my older Bengal bullying the younger one forever.
Thanks!!

Your female is right to behave this way, as she was there first. Your Little one will quickly learn and adapt.that would be the right hierarchy in the house.
You may want to get two of everything though so they could divide these between themselves and no one is left out and so they settle.
One thing is to watch out is the little one growing and may want to become the dominant one at some stage, in that case your girl may get depressed/ stressed long term which would be difficult to fix. Hopefully it won't happen.good luck.

Thank you for that advice. That is a very good idea. However, I already have multiples of everything. I have two little boxes, many many cat trees, different water bowls and food dishes.

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The little monsters 3

Once your male grows up and becomes the size of your female (or larger), things may just switch around. In the meantime, do not allow any bullying by your female. It usually ends up in huge emotional problems for the little one. Show them each equal love, but I think the little one needs some extra kisses.