Serpae tetras with white lips

[ScotJudd]

My Serpae tetras have the early stages of what looks like white lips. There is no fuzz, just discolouration.
Does anyone know what this is and what medication would be effective.
I can't get a picture.


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[Delapool]

Sorry, missed this - how are they getting on? I looked at mine and nothing like that, even on the ones that are a bit hen-pecked (thankfully settled down).

 

[ScotJudd]

It's been a while since my first post. The serpaes have not altered at all and I think it might just be the coloration of that particular strain. They are healthy, active and feeding so they are probably normal.


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[Delapool]

Sounds great. Will check out shops here - they sound nice.