My 18-month-old neutered male has started mounting our two other cats. They hate it; how can I get h

Sammy, age 18 months, was neutered at 6 months. In the last few weeks, he has started mounting his 2-year-old cat "sister" and 11-month-old cat "brother." They're both a lot bigger than he is (by 2 to 5 pounds) and get angry when he does this. It usually leads to a lot of snarling, flipping and chasing, often late at night. Before this, they all got along pretty well. He used to curl up with our female cat to nap, but now she doesn't trust him. I worry that this behavior could lead to an honest-to-goodness fight, and he is so small, he could get hurt. How can we discourage this behavior, since he doesn't seem to get the message from his fellow cats?

Best Answers

  • Sandra PerrySandra Perry MemphisMember Posts: 1,425
    Accepted Answer
    Sounds like a dominance thing more than a sexual thing. He's come into his own and he wants to be the head honcho. A lot of this is probably going to have to be worked out between the cats, but if it starts escalating, a squirt in the butt with water will get his attention.
  • Joy WaltersJoy Walters Member Posts: 9,276
    Accepted Answer
    Oscar is right.. I've read that mounting behavior is just as much about dominance as it is about mating behavior. And, as Oscar says, the cats will probably work it out. Most cats don't engage in a fight unless they feel threatened and cornered, which it doesn't sound like, at his size, would happen between Sammy and his furblings. Cats don't attack when a growl and hiss will do, and maybe even a swat. That's how cat mom taught them to handle annoying situations. He'll get the message eventually.
  • Kerri ZimmermanKerri Zimmerman WinnipegMember Posts: 448
    Accepted Answer
    My male cat Bishop was a neutered 3 year old when 6 month Lexus came into our home. To this day (Bishop is 12 and Lexus is 9) Bishop still does this to Lexus. He mounts her and she screams. He gets in these crazy dominant moods and I have always passed it off as a domnance thing. I just have to calm him down. He isn't doing it because he is a mean cat so I can not blame him. It is a natural thing for some cats. He has learned to understand what bedroom means. As soon as he does this to Lexus (not very often) I'll say "bedroom" and point to the bedroom. And he'll go in and I'll shut the door for a bit so he calms down. And Lexus sits outside the door waiting for him. I do think sometimes Lexus provokes him like a little girl only can :) :)
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