What is this white spot?

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ddelpinal

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Apr 10, 2018
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Hi, I have a school of lampeye killifish in an established 20 gallon tank.. I’ve got one who is the runt (so to speak) of the school that’s developed a white spot on the top of his body. Not sure what it is but it’s growing a bit and it looks like it’s eating into his spine? Like it’s indented?

I thought it was a fungus at first but it didn’t respond to treatment. Could it be a bacterial infection? What is the best way to treat this?

Temp: 80 F
Ph: 6.4
Ammonia, Nitrites: 0
Nitrates: 10

Other tank mates: 3 chocolate gouramis, 2 german gold rams, 6 killifish, 4 otocinclus

F436E71B-1C01-47F2-B3C8-8E2A963A8885.png
 

Rbishop

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Staff member
Dec 30, 2005
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Mr. Normal
It looks somewhat like physical damage to me...maybe from the rams...???
 
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