I bought a Green Spotted Puffer yesterday, my old one having died several months ago, and she seemed happy. Buzzing around the tank with bright colors and a white belly. I fed her frozen bloodworms and her belly got huge but then within the hour she was back to being the flat bellied little thing that she was when I bought her. So I presumed it was an intestinal parasite and quickly went out and bought Metronidazole, which was referred to me by a different pet store than where my puffer came from. I mixed some into her food-taking one of e cubes of frozen bloodworms and mixing it with one dose (125mg) of the medication plus a tablespoon of e tank water. I fed her a little bit more and she grudgingly ate some but just to be sure I put a dose (125mg/40 L (40 L being 10 gallons)) straight into the water.
Now, the next day, she's swimming slowly and bumps into Inge now and then, her color seems more gray though her belly is perfectly white. Dd I overdose her? Is there someone wrong with my water? Is she dying? Did the parasites finally get to her? Does the Metronidazole naturally change their behavior a bit? I don't think I could stand the loss of another puffer.
For reference the Ph is a 7.6. She was in neutral Ph in the tank at Petland, where I got her from. She was sharing the tank with some cichlid-type looking fish and two evidently starving puffers. She's in a 10 gallon tank, which she will not be staying in for her whole life, when she gets a little bigger I have a 20 gallon for her. She's in the tank with a snail which I also got at Petland yesterday (the snail seems to be doing fine). She is in freshwater but I know that Green Potted Puffers are brackish fish and I plan on starting at once she's healthy enough for me to do so.
She's sort of at the top of the water with her head pointing upwards but her body tilted downwards. Was the Ph difference too hi and it's killing her???
Sorry for the massive information and questions, I'm just really worried about her.
