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Yes, goldfish can sleep with their aquarium light on. Having the light on does make it rather difficult for them to do so though. Having the aquarium light on all the time is not good for the fish, so please shut it off for at least 8 hours a day for the fish. Having the lights on all the time is not good for the fish and may result in an abundance of green algae.

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15y ago

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Related Questions

What color will a goldfish turn in the dark?

Goldfish are not particularly attracted to any one colour.


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Why would a goldfish turn white if left in the dark?

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