White Growth On Tetra's Head Question

Discussion in 'Freshwater Fish Disease' started by sean2, Jul 17, 2019.

  1. sean2

    sean2New MemberMember

    Hi. I'd like some help identifying a growth on my poor silvertip tetra's head. Pictures:

    IMG_5124.jpg
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    IMG_5115.jpg

    We've had these silvertip tetras for about 3 months without incident. Last Sunday, we added some new stock (panda cories) and gave some new food (algae wafers). We didn't quarantine the cories before adding them to the tank.

    This morning, we woke up to a dead silvertip. Looking around, this tetra is the only fish with any discoloration. Right now we're prepping a quarantine tank to put him in. The cories all look normal. Any ideas? Thank you.
     
  2. OP
    OP
    sean2

    sean2New MemberMember

    A couple hours after taking the picture, the tetra started having trouble swimming properly. We moved him to the quarantine tank, and he died overnight.

    Today, I noticed one of the cories has a white growth covering one eye. Is this related? While I'm trying to figure this out, I'm going to do a decent sized water change every day and lower the temperature a bit, in case it's columnaris. Suggestions welcome.

    IMG_5131.jpg
     
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