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How to stop snails escaping a goldfish tank? How do I quarantine them?

Updated On September 23rd, 2025

I want to get an apple snail or a mystery snail. I have an indoor storage container pond where I will be putting one or two goldfish in. It doesn't have a top, so can the snails crawl out? If they can, how can I avoid it? Also someone told me to quarantine it, how do i do that?

1 Answer

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on June 10th, 2018

You will need a cover or tank hood to prevent any snails from crawling up and out of the tank. Snails will lay eggs just above the water line, so you'll need to leave room for that as well. Quarantine, or keep them separate from the main tank, for at least two weeks in another tank. This is done to prevent the spread of bacterial infection or parasites.

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