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My parrot cichlid has a black, swollen, bulging eye. What's wrong?

Updated on September 23rd, 2025

Pet's info: Fish | Cichlid

One of my parrot cichlid has developed black eye which I don't seem to understand as to what is it exactly. Eye is swollen and a bit out of its socket. Previously it was white but now changing to black color. Due to this fish is hiding continuously and other fishes are pinching it.

1 Answer

Most Helpful Answer

Todd Cecil

Answered By Todd Cecil

Veterinarian

Published on January 21st, 2019

Thanks for reaching out about your parrot cichlid. Melanin pigment (black) is an immune response in fish, indicating an infection or inflammation. Whether this started as n infection, trauma or other, is unknown. A veterinary visit with an experienced aquatic veterinarian, should be able to establish a diagnosis and treatment plan.
Always check and correct water quality (pH, ammonia, nitrites and nitrates).
Good luck.
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