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My pregnant guppy hasn't eaten in two days. What should I do?

Updated On September 23rd, 2025

My guppy Female adult pregnant fish has not ate for two days should I worry?

2 Answers

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on June 24th, 2019

Check water chemistry using a home test kit or submit a water sample for testing. The local Petco may do this for free or for a small fee. Aim for an absence (0 ppm) of ammonia and nitrites with nitrates at 20 ppm or less. Perform partial water changes, if necessary, to stabilize chemistry and/or to improve water quality. Use only conditioned water that is temperature matched to prevent stress or shock. Check the temperature as well. Low temps can affect appetite and activity in fish. Once water parameters are stable, she may begin to eat again. If not, you can soak food in a bit of garlic juice to stimulate the appetite and provide a boost to the immune system.

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    Answered By Todd Cecil

    Veterinarian

    Published on February 12th, 2019

    Thanks for reaching out about Sleepy and including photos. Good job keeping the water parameters ideal. Lethargy and sickness can have multiple causes ranging from infectious (bacterial, parasitic) to a metabolic disorder (kidney, liver). If is obviously difficult to collect blood from a fish this small but a microscopic fecal examination might give some answers. Contact local veterinarians to see if they can help. have you tried to feed brine shrimp or tubiflex worms. These might stimulate appetite. Good luck.

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