I mean it's not entirely clear to me if either cat has their claws out when this happens but I'm more worried about elvis because he's older, slower, and sweeter so he's more likely to get injured... My hope is that it just gets better as Sati gets older too.
So we have three cats, a 16+ year old neutered male named Elvis, a 6 month old neutered female named Sati, and a 3 month old unneutered male Buttons.
Elvis is very unaggressive towards the two kittens but he doesn't like it when they try and play with his tail or attack him. Buttons and Sati...
Catnip does not effect cats that have not reached sexual maturity. Beyond that, there is about 20% of the cat population that simply doesn't react to it. One of my cats is a kind of rare siamese cat and he LOVES to eat catnip but it doesn't really make him "frisky" the way it does other cats...
Typically the best way to introduce new cats is SLOWLY and carefully. I just successfully introduced a (not for long) unaltered 4 month old kitten to my 17 year old cat. It took about 6-8 weeks. For a couple of weeks, keep them totally separate, with separate food and litter. Starting on week...
Some background information: My wife and I are part of a nonprofit group that cares for strays in upper manhattan (http://wahicats.org/default.aspx if anyone's curious/interested) and about 3 months ago we found a kitten in one of the alleys, all banged up and bloody. Luckily, she was FIV- and...