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.
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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