White cyst on Buenos Aires Tetra


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New white cyst on BA tetra
Few options for quarantine and treatment due to lockdown.

What is the water volume of the tank? 130L
How long has the tank been running? >1 year, moved last week due to Covid 19, 100% water change done, filter off for 45 mins.
Does it have a filter? Fluval 306 and built in drip filter
Does it have a heater? Yes 300W
What is the water temperature?
What is the entire stocking of this tank? 1x KuhlI loach, 1x clown loach, 7x Cardinal tetra, 9x Albino Cherry Barb, algae eater (not chinese), 3x BA tetras.

How often do you change the water? Normally 50% every 2 weeks, had a 95-100% water change last week due to house move.
What do you use to treat your water? API stress coat
Do you vacuum the substrate or just the water? Both

*Parameters - Very Important
Did you cycle your tank before adding fish? No, came cycled with fish
What do you use to test the water? API test kit
What are your parameters? We need to know the exact numbers, not just “fine” or “safe”.
Ammonia: 0 (today)
Nitrite: 0 (today)
Nitrate: 10 (today)
pH: 7.4

How often do you feed your fish? Daily
How much do you feed your fish? Teaspoon full
What brand of food do you feed your fish? Mixed flakes as I condensed several brands recently
Do you feed frozen or freeze-dried foods? Not recently.

Illness & Symptoms
How long have you had this fish? Since September
How long ago did you first notice these symptoms? Today
In a few words, can you explain the symptoms? Single cyst appeared on lower lip, white, looks stuck on.
Have you started any treatment for the illness? No
Was your fish physically ill or injured upon purchase? No
How has its behavior and appearance changed, if at all? Appearance only as above

Explain your emergency situation in detail. (Please give a clear explanation of what is going on, include details from the beginning of the illness leading up to now)

Noticed white cyst on lower lip today of one BA tetra. Rest look normal, normal behaviour.



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More than 10 years
Judging from the pic, the problem looks like a minor abrasion w/ fungus attached, positioned just below the mouth. Usually not a problem, clean water, good nutrition & a little time should heal it up.
Keep watch, if the growth begins to spread then the issue might be mouth rot.

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