Sigh, okay. Well I do no fully understand as to why they ALL die, but they do. I have been catching my fish from the ocean, (I understand that is stressfull in itself) but now I can't manage to keep any of them alive. When I first started my tank, everything was great. Those fish lived for say, a month or so. Then went belly up. I have tested everything in my current tank. It has been established for around 3 months, ALL tests read perfect. They keep getting stressed out, I think. What can I do?