I have had "him" for around 12 months, and he came into my care from a fish only store with around 8 GSP's in a teeny FW tank (nothing new there). He has been living in a 50G, which is high end brackish. He has stayed at just under 2 inches in length over that time - I'm fairly certain he's been stunted.
A few days ago I noticed some white spots, and moved him to the QT tank for ich treatment. The QT tank is an 8gal which I maintain using water from the main tank, and is kept cycled with (remarkably hardy) platties.
The water params are good, temperature has been slowly elevated to 86°F, and I have been treating for white spot for the past 3 days.
The first day was fine, the second day was looking very grim, but today things are much better. He is eating, and swimming normally - with interest in the new tank surroundings.
My concern is that it looks like he's got a huge gash down one side, which looks like it is being pushed out from inside.
Is this a result of extreme white spot (which has cleared up otherwise, and only looked to be a 'light' sprinkling? Or is there something more sinister here?


And while I'm in the hospital.......
I recently purchased another GSP (puffers are hard to find in NZ, so when one becomes available it's the quick and the dead).
It was also around 2" in length, and was quarantined prior to being introduced to the main tank about a week ago.
The two puffers got along fabulously, though I noticed that the new one was more "torpedo" shaped, and had huge eyes!
Tonight I noticed a funny red bump on it's belly, and literally within an hour it was thrashing about and finally became still. I tried holding it in front of the filter outlet, but to no avail.
Before - note how different these two look!

And after.....

It's been a tough week, but I think my original puff is going to make it. I will be adding Melafix tomorrow - anything else I should try?

