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Guppy with bubbles on dorsal fin


Trainman
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My guppy has a bunch of bubbles on his dorsal fin and I can't figure out what this might be and how to treat it. Sorry for the fuzzy photo, but the bubbles are pretty big on the fin, hanging in front of the fish. They appear to be kind of translucent and the same color as the fin.

Thanks in advance!!

bubble fin.jpg

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I can't see the bubbles but have you treated for ich? Ich looks a lot like some sort of bubble. Very unlikely but did the guppy happen to jump to of the aquarium recently? Last week one of my bettas jumped out of his aquarium and landed on my desk. luckily he survived but he had small bubbles on his body for a while afterwards. Hope this helps!

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  • 2 weeks later...

Update, since I wasn't sure what the infection is, I treated with one dose of the quarantine trio. He was breathing really heavy one the second day and hiding. The rest of the fish all seemed ok. Most of the bubbles are gone, only two are left as of today and they are shrinking.

 

However a platy developed fin rot on day 4 and I isolated it in a quarantine bucket with salt and it's doing well. Now it looks like the neon tetras are starting to have discloration on thier fins. Water parameters haven't changed and I did a 1/3 water change today, as it was 8 days after I dosed the trio. 

 

Should I treat with maracyn 2 to address what I assume is fin rot on the tetras or dose the trio again?

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