Originally Posted by my2rotties
For what it's worth this is what I was told when I dug deeper to find out the cause of death of my angels...
Many fish have this bacteria but already have immunity to it, then some fish do not, especially large angels. Fish come from all parts of the ocean and they are all exposed to different bacteria, some tolerate, some don't. When fish are collected they are all put together so the bacteria spreads like a cold. Again some build immunity and some do not... some fight it for awhile, but stress due to transport and all that they go through lowers their immune response.
If a new fish is brought home and put into QT, it might be fine until it is put into the display. Then they are exposed to the bacteria within the system. Some get sick right away and some can fight it, then some will either fight it or die. The person that gave me this info is a very trusted source and I consider his word gospel. I spent well over an hour speaking to him about this entire thing and if you do not treat a sick fish, it will die in 2-3 days, sometimes less depending on the health of the fish. If it is in a smaller system you can notice the symptoms and treat it. If the fish is in a large tank it is hard to be able to tell, until it is too late, As in GSP's case and my case.
Sometimes the fish will get this bacteria three times and if it is treated, it will build immunity and get well. From what I have learned about this, I am adding a 90g tank to my system, which will house any new fish and expose them to my water supply. If the fish shows symptoms, I will be able to cut off the water and treat the bacteria.
I asked if this bacteria would die, if it did not have the species that are susceptible to it in the system. I was told no, since all fish have this bacteria. Perhaps GSP's CBB had enough tolerance to it until he was moved into a new system and stress battered down his immune system. I could be wrong but it is not far fetched. The only way this baceteria might not survive is if all sand was removed from the system where it could breed easily and reproduce. He does not believe in having any substrate on tank bottoms. He compared sand bottoms and bare bottoms to having tile and carpet... Of course carpet holds things inside and tile can be easily wiped clean.
I cannot removed all the sand from my system, but the 90g acclimation tank will have a bare bottom and live rock. I am not planning on adding any fish anytime soon, but will enjoy the bonus 90g of water for my overall system water quality. If I end up with a sick fish or a fish that needs to be removed, it can stay down there until I figure out what to do with it. I have the option to cut off water supply and treat disease or just run all my water through it.
My angels did not die in vain and I learned many lessons from it. Now I will always do things differently and learned about mystery deaths that can usually be treated. All the symptoms GSP mentioned happened to my angels word for word... I had one of the fish examined by this person I went to and he was able to make diagnosis of it...
All these symptoms are the same as cyanide poisoning.
I am not going to get into a debate about this with any one. Perhaps I am a dummy to even post anything about it, but if it can help someone else, I felt it was worth while to make mention of it... I am done for now, and hope I don't get my butt kicked for saying anything.
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