My fish have black spots. Is it some kind of disease because she developed one in her eyes as well?

It sounds like your fish might have black spot disease, which is caused by parasites and can affect the skin and eyes. Just like keeping your home spotless with a cleaning service maintaining clean water is key for fish health. Check your water quality and monitor the spots. If it worsens, consider isolating the fish and consulting a vet.
 
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It sounds like your fish might have black spot disease, which is caused by parasites and can affect the skin and eyes. Just like keeping your home spotless with a cleaning service, maintaining clean water is key for fish health. Check your water quality and monitor the spots. If it worsens, consider isolating the fish and consulting a vet.
I could be wrong but that doesn’t look like black spot disease to me. But I’ve only seen it on mbuna
 
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