How to stop neutered male cat mounting spayed female at night?

It does usually take a few months for all the hormones to dissipate post neutering, however if the cat was neutered at a much older age, he may still have some of the behaviors/interest even without the ability. Keeping the cats separated if this behavior occurs, or even adding in a pheromone diffuser (such as Feliway) may help with inter-cat interactions.

Hi there! Behavioral issues in cats can definitely be frustrating. Obsessive mounting can often be attributed to underlying anxiety. I would recommend trying an anxiety reducing pheromone product called Feliway. It comes in diffusers, sprays, and collars and often helps multi-cat household behavior problems. If there is no improvement with Feliway, I would recommend talking to your vet about putting Max on a trial of anti-anxiety medication to see if that helps.

Cats can exhibit mounting behavior of other cats and objects like pillows. The behavior is generally benign (there is not penetration) unless one cat bites the back of the neck too hard (this could break the skin an cause an abscess). Most cats will not tolerate this and will let the other cat know. Certainly stop the behavior is one cat is being bullied or there is a risk of physical harm. Some play behavior can also look like mounting (with mouthing, climbing on the other cat) but it's just wrestling. I hope this helps and please feel free to post any additional questions.

Both of them are really cute! I would get the male neutered once his turns 5 months to prevent this behavior from getting worse. The female could go into heat at anytime so I would advise to get her spayed as well. This behavior may never go completely away as it is their personalities. You may try to put some feliway diffusers throughout the house to help calm them. Feliway is a cat pheromone that doesn't work on all but can help with this behavior. They even have a multicat household version now. I would always meal feed and feed them separately as food aggression is really hard to control. I would also make sure you have at least 2, preferably 3, litterboxes to decrease competition. If the feliway and neutering doesn't help, I would talk to your vet about giving the more dominant one something to help mellow him out like an antianxiety medicine. Hopefully this is just a behavior he has since he is young and boisterous and he will grow out of it. I hope this helps!

Since they are both neutered, this behavior is likely caused by over-stimulation. It's not sexual, it's just an inappropriate outlet for being overwhelmed or overexcited -- think really tired toddler starting to throw things and hit his friends. I would recommend redirecting him to a toy or playing with you, or remove him calmly from the situation. You don't want to punish him for the behavior, but you do want to stop it.

Socks and Prince are adorable! Thanks for posting pictures! Mounting behaviors are often dominance related and not sexual. So, since Prince has now reached sexual maturity at 6 months of age, Socks may be trying to make it clear to Prince that Socks is the more dominant cat. This can be a problem if it causes fighting, but is a normal behavior. The only solution I could offer you would be to have Prince (or both cats) fixed. And certainly if they are fighting with each other, then they will need to be separated. Good luck! I hope that was helpful. Thanks for using Petco Pet Education Center, formerly Petcoach.

I have never heard of one cat killing another over mating issues, so you shouldn't need to worry about this :) However, I'm sure it is annoying for your female cat to have him constantly trying to mount her, and this can certainly lead to developing aggression issues between the cats over time. I would try to get your male kitty neutered as soon as possible, to help prevent this from continuing to happen. In the meantime, if he won't leave her alone, you may need to keep them separated until after he is neutered.