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Why is my guppy swimming slowly, stopping, and sinking with eye issue?

Updated On September 23rd, 2025

Pet's info: Fish | Unknown - Fish | Male | unneutered | 0 lbs

my guppy is moving slowly and it looks like something might be wrong with its eye. It keeps stopping when he swims and he floats to the bottom. What do I do? Susanna (age 10)

1 Answer

Most Helpful Answer

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Answered By Miranda Sadar, DVM, DACZM

Veterinarian

Published on July 3rd, 2018

Hi Susanna, and thanks for your question about Sunbeam. Sometimes fish will sink to the bottom of the tank when they aren't feeling well - it is sort of like when we don't feel good and need to lie down to rest. This weakness may be related to what you are seeing on the eye. If there is a disease or problem going on with the eye, it may be making Sunbeam sick. To figure this out for sure, Sunbeam would need to go to a veterinarian. The vet would be able to take a look at his eye, and then may recommend treatments on how to make Sunbeam feel better. I hope that helps to answer your question, and I hope Sunbeam feels better soon!

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