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What killed my puffer?

Posted: Thu Apr 23, 2020 2:38 pm
by fortknox82
Im reaching out because I don't want anything else in my tank getting sick.

Tank is small 3 gallon. I had 2 dwarf puffers and a coy catfish. Moss ball. One live plant. And everything else is artificial.

The tank had been established for at least a couple months.

I had an ammonia spike and algea bloom one day. So I started doing 50% water changes every day. And I used api ammo lock right at the beginning to knock the levels down.

Everyone in the tank seemed happy but one puffer after this had like road rash on top. I thought him and the other puffer might have been fighting as they do that sometimes.

It didn't get any better but it did get slightly worse. He was eating fine for a while but then I noticed it slowed. Checked tank and all water tests were good. Couldn't find anything online.

And then overnight he died. Im just trying to find out the cause so I can be sure the other fish are fine. See attached pic of damage to his skin:

https://www.dropbox.com/s/guo35xonikn8l ... 1.jpg?dl=0

Re: What killed my puffer?

Posted: Thu Apr 23, 2020 7:12 pm
by Pufferpunk
[welcome]
Fighting or possibly heater burn. I highly suggest moving these guys to a 10g tank. 3g is barely large enough for a single DP.
library/puffers-in-focus/dwarfpuffercare/