Petco Text Logo
Petco Pet Logo

  • Two Easy Ways to Start Earning Rewards!

Can I introduce two hamsters to share a cage without fighting?

Updated On September 23rd, 2025

Pet's info: Small Animal | Hamster | Male | unneutered

Is it possible to introduce two hamsters to each other? I have a winter white, and a long haired Syrian. I was wondering if it were possible or if it might be too dangerous? My husband told me that they'd want to hurt each other but I'm sure if they were introduced very slowly and on neutral ground they may come around? Please be honest and let me if I'm being naive. Thank you!

This question includes photos that may contain sensitive content. Click to view.

View more to consider that the photos may include sensitive content.

1 Answer

Most Helpful Answer

Image profile

Answered By Lotus Altholtz

Veterinarian, Board-Certified Lab Animal Medicine Specialist

Published on January 27th, 2019

There is a good chance that 2 adult male hamsters will fight and induce significant injuries. If you would like to try to introduce them to each other regardless, I would start with a completely clean cage with fresh bedding and keep them on either side of a mesh divider so that they can see and smell each other without being able to fight. I do not recommend putting one into the other’s cage as the original hamster will likely become extremely territorial. For 2 weeks or so, you can remove the mesh divider for short periods of time while you are carefully monitoring them and offering plenty of enrichment in the form of shelters, toys, food treats to keep them occupied. If you notice any aggression, I would give up and keep them separate from then on. If after several supervised periods alone (about 30 min each time) over 2 week you do not notice any signs of aggression, you may remove the mesh divider but examine them carefully each day for scabs/wounds especially on the rumps, genital area, hind legs. Good luck! They are very cute!

Vote icon

1Pet Parents found this answer helpful

Related Questions

Petco Pet Education Center
Training & Behavior
My cat is going crazy with his cone after neuter surgery. What to do?
Is your cat struggling with the cone after neutering? A certified veterinarian provides expert guidance on managing your cat's post-surgery recovery and cone challenges.
Updated on September 23, 2025
Petco Pet Education Center
Health & Wellbeing
What to do if my cat has a small hole with pus coming from its ear?
Is your cat's ear hole oozing pus? A Petco vet explains potential infections like abscesses from bites, advising immediate vet care, antibiotics, and recovery.
Updated on September 23, 2025
Petco Pet Education Center
New Pet
Why is my new pet biting? Is she stressed or scared in her new home?
New pet biting? A Licensed Vet Tech shares expert advice on how to gently acclimate your new companion to their home, reduce stress, and build trust. Get guidance for a happy pet.
Updated on December 04, 2025
Petco Pet Education Center
Health & Wellbeing
My dwarf hamster has a shut eye and is limping. What should I do?
Is your dwarf hamster struggling with eye issues or limping? A trusted vet offers expert guidance on symptoms and crucial next steps for comfort and care.
Updated on December 04, 2025
Petco Pet Education Center
Health & Wellbeing
How to keep a pet mom and her newborn babies warm and calm?
Support your pet mom and newborn babies! A certified vet offers advice on ideal room temperature, minimizing stress, and quiet intervention for food & water.
Updated on December 04, 2025
Petco Pet Education Center
Health & Wellbeing
My hamster is suddenly bloated, angry, and biting. What should I do?
Is your Chinese dwarf hamster suddenly bloated, angry, and biting nonstop? A DVM explains pain signs and urges immediate vet care for his distended abdomen.
Updated on December 04, 2025
image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Book Now

Sponsored