Guinea pigs are herd animals, so you always need at least two - and with no upward limit apart from what practicalities of space, time, and finances allow!
It may take time for guinea pigs to get used to each other if they are not from the same litter, but they'll get there in the end.
For more tips and advice on introducing guinea pigs to one another, have a look at the Making Introductions section of this guide.
Marcia, 18 April 2022
I sadly lost my oldest guinea pig and i let my yonger guinea pig say his goodbyes and give him a hug so he knows the other one wont be around and he seems to be eating and running around and he seems fine but i want to know how long i should wait until i get him a new companion because I already find it weird not having the two of them and i dont know weather he thinks that to and he wants a new friend or not can someone please let me know what i should do and weather i should get him a new friend
Dorian, 23 June 2021
So my other Guinea pig died and I don’t know if I should give my other guinea pig Away
Lucy, 25 April 2020
I got 2 female guinea pigs a few months ago I was thinking about getting another I want to get a male but I don’t want to traumatize my two females what should I do ?
Debbie, 13 April 2020
I sadly lost one of my guinea pigs on Saturday, my other one is eating but not drinking as her water bottle is still full. I have now also put a small bowl of water in the cage to encourage her to drink. She has been enjoying cucumber which is water based. How long shall I wait before intervening
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Hailee, 23 February 2023
I have a six year old male guinea pig whose brother just recently passed away. I am wondering if I should get him another companion for my remaining Guinea pig and if so, should it be another male or a spayed female? I heard from someone that bonding two males after one of the males had a past companion that passed away could lead to fighting with the new guinea pig could lead to fighting but I am not sure it that’s true.