Treating a Fish with Pop-Eye?

This is a page about treating a fish with pop-eye. A number of things can cause pop-eye in fish. It can be caused by poor water quality, injury to the eye, or even a bacterial infection. There are antibiotics available at the pet store for treating it. It can also be helpful to do more frequent water changes and use aquarium salt along with the antibiotics.



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November 5, 2017

I brought an iridescent shark and I found that they can have popeye disease. I am using MR green liquid for the infection. It is loosing it's strength. What should I do?


Bronze Post Medal for All Time! 105 Posts
November 6, 20170 found this helpful
Best Answer

I have raised fish for over 15 years and I currently have 2 shark fish in my aquarium.

  1. You will need to remove this shark from the larger aquarium, you have it in. Put him in a small bowl of his own.
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  3. Buy some rock salt and add around 1 tablespoon to your water.
  4. Now add the drop to the water. Did you buy the medicine at the pet store? If not go there and ask them for the right type of medicine to add to the water to cure the illness of your shark.
  5. You will need to add the drops on a daily basis. You will need to add 3 to 6 drops in the water depending on the size of the bowl.
  6. You will need to move one air hose to the smaller bowl so the air is circulating in the tank.
  7. Every couple of days add 1 teaspoon of sea salt to the water.

Normally, you'll need to add drops daily until you see a change in the shark.
You can try feeding the shark now, but if he is weak he might not eat.
Good luck. I know it can take almost a week or longer to see any change in the fish after treating the fish.

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Silver Post Medal for All Time! 433 Posts
November 16, 20170 found this helpful
Best Answer

Popeye, or exophthalmia, is swelling of one or both eyes of the aquarium fish. Pressure builds up in the eye as fluid builds. Very difficult to treat but easy to prevent.


In order to prevent this, you must keep the tank really clean, and do not over crowd fish.

It is hard to treat because the cornea is damaged, fluid builds up in the eye, and there is a bacterial infection as well.

Use antibiotics given in the food. It takes months to heal.

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Gold Post Medal for All Time! 677 Posts
November 5, 20170 found this helpful

You can use aquarium salt and change the water frequently.

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