Black Skirt Disorientation

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KCK

Gambusia
MFK Member
Jul 4, 2010
200
1
18
253, US.
I have 6 black skirts in a community,
we've had them for a loooong time.

Today we noticed them turning flat like a piranha/oscar whenever they feel like.

I did some reading and it said it's usually internal bullcrap that is practically incurable on such a small fish.


Is this a serious problem?
Should I quarantine?
Should I be watching other fish for the same behavior?
I don't care about the black skirts dying, as long as the other fish are going to be fine.
Please answer these questions,
thanks a lot.
 
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