I don't post much, more frequently lurk and have learned a lot. I've had little sushi for about 7 months now and she has done great--very happy little fish. She is in 2 gallon and all specs were ok, even though her water was a lil dirty (it was time for her weekly full change-don't worry i also do partial changes in additition to full change...) Tonight I went to do a water change and placed her in the same vase which i use as a temporary tank while I fully clean the real tank.
As soon as I put her in there she sank to the bottom, all fins clamped up and she was laying on her side and barely moving/breathing. she would struggle to the top (looked like convulsions) and gasp air.
I usually let her new water sit for a bit with the condition so the temperature could even out and the condition had some time to work (the only other time I had an issue was when the temp was slightly off and then she struggled. since then I have been very careful about making sure temp was the same and reintroducing her slowly) but tonight she appeared to be dying and rather quickly in the temp tank.
So I've moved her back to the normal now clean tank and she is doing better, but very slightly. her fins are unclamped for starters but she is still far from normal. she stays at the tip of the tank, but moves slightly. still gasps more than she normally does for air. Alternatively she is at the very bottom and when i freak out as she hasn't been up for air in too long and guide her up with the assistance of a net she still twitches/convulses.
What is going on??? can anyone help me save sushi? :( any help would be so greatly appreciated. I love my little fishy and hate seeing her in pain!