Diagnosis help please. Fin rot?

Niton

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Joined
30 Jun 2018
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179
Location
Newcastle upon Tyne
Hi all,
I have 8 neon tetra and all appear to be pretty healthy. However I've noticed one of them has a portion of tail missing.
They have a male and 2 female guppies as tank mates and I know they can nip a bit. Does the following look like an injury or could it be an infection of some kind?
Thanks in advance.

MVIMG_20190421_185338.jpg MVIMG_20190421_185355.jpg MVIMG_20190421_185346.jpg MVIMG_20190421_185322.jpg

MVIMG_20190421_185355-01.jpeg
 

Majsa

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26 Apr 2017
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Location
The Netherlands
A bit late but how’s the fish doing? Does the tail have white ragged edge, I can’t see it in the pictures? If so, I’d suspect it’s bacterial. I had a bad case of Columnaris 1,5 years ago, that didn’t end up well...But I also have a neon whose tail was split but it remained clear and healed by itself, although it took a good while.
 

Niton

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30 Jun 2018
Messages
179
Location
Newcastle upon Tyne
Hi @Majsa, I wouldn't say the tail was particularly ragged. The fish itself is still happy enough. Feeding and shoaling with the rest. I haven't spotted anything that looks similar on any of the other tetra.
 

Majsa

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26 Apr 2017
Messages
223
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The Netherlands
That sounds good. If it’s not getting worse and the fish remains happy then it’s probably an injury which will heal with time and lots of clean water.
 

Majsa

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26 Apr 2017
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223
Location
The Netherlands
Keep an eye on him though, if you see the tail edge gets milky or opaque, that is not a good sign. But considering it’s just one fish let’s hope all is fine.
 

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