They would always come up to me whenever i get home, begging for food, swim around the tank good, I have a 50 gallon brackish tank, Salinity of 1.008, and when I last checked my water, the PH was 7, and ammonia almost near 0. not sure about nitrite as I haven/t really checked yet, but I cycled the tank for about 5 weeks before adding them.
I am pretty sure it is not ich which causes them to scratch over things, since I've kept them in a cupramine QT tank for 2weeks when I got them from lfs, and showing no white spots at all, their skin looks great. I heard pufferfish's skin can be very sensitive since they don't really have scales, and one of my friends said his puffer (f8) sometimes would scratch too, so i thought fish could scratch sometimes just like any other animals, dogs and cats, but sometimes it just gets on my nerve when i see them scratching. So i put one of them in another QT tank yesterday morning with a bit of Formalin cuz Formalin is exceptional on parasites, the puffer is still showing the same issue, or I'm not too sure it'll get better over the next few days, I'm just wondering anyone would have the same issue like me or had in the past with figure 8 puffers,,,
Thank you!