The Puffer Forum

Got this cute little bumblebee of a puffer about three months ago. It is a wild caught Amazon puffer/SAP. He's been eating well and been really active and curios up to about two weeks ago when he got more shy and started window surfing a lot more. Then we noticed he had these horrible squiggly lines on him, that were moving around on his body. He is in a heavily planted,, cycled 20 gallon tank with a group of five kuhli loaches. The water parameters have been good and stable since we got him, with a temperature of 80 F. He's been eating well, and still is. We're feeding him assorted frozen food and ramshorn snails.

We replanted the tank and added a new piece of driftwood(boiled) about a month ago.

We visited our LFS last week and saw that their other amazon puffers looked to have grown more than our, but it could also have been a new batch of puffers.

There does not seem to be much information on this type of parasite, so we are afraid he's in pain and don't know what to do. Please help!
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Tank was cykled with guppies, about 1 year ago
PH 6.8
Nitrates ~10
Weekly waterchanges of 30%
No salt added

Although I cannot really tell by your image, I believe those are nematodes. Not much you can do about them but keep the puffer happy & healthy. They can live a while with them. They are contagious, so keep the puffer alone. He does look a bit thin, so you could treat that internally by soaking foods in IP meds.

Ok, will do. Thanks for your answer!