Your Thoughts? Safe to put in tank?

Leopardess

Everything's eventual.
Aug 13, 2003
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New Hampshire Seacoast Area
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Please bear with me here....I've got a question that really doesn't have much factual happenings behind it, I just was hoping for opinions and stuff...


A few months back, my goyder rainbow decided to harass my boesmani rainbow to the point that the boesmani developed mouth fungus. I moved him to a 10g hospital tank. About this time, I had noticed that 5 neons in my 55g had what looked to be mouth fungus as well. I took them out and put them with the boesmani. Everything in the 55g is healthy and I haven't had a problem since.

Now, for no real apparent reason, I lost 1 or 2 neons a few weeks after putting them in the hospital tank. Even though I didn't see any remaining fungus on the boesmani or neons, something didn't seem right. I can't explain, something just didn't look/seem right with the fish and I was reluctant to put them back into a healthy main tank.

Then, I lost another neon. And another. No apparent reason. With the deaths in the tank I was still hesitant about putting the boesmani into the 55g.

About half an hour ago, I just lost the last neon in that tank, which I was expecting since things were going down hill for it (got fairly skinny, and just plain looked "off").

Meanwhile, this whole time, the boesmani hasn't lost any weight, eats like a pig, is fairly active. I'd like to add him to the 55g planted as soon as possible to give him more room and make him happier. But with all those weird deaths, I'm afraid that I'll make the 55g sick...

I think the sickness was solely in the neons, for whatever reason, since, as I said, the boesmani seems fine. Think I can go ahead and add him?
 
well, IME neons are the toughest little things to keep alive and have a way of dying without apparent cause. I think there's some kind of disease that affects only neons as well... In any case, I'd quarantine the boesmani for a week and make sure he still looks and acts perfectly heanthy before putting him back in the main tank.
 
Yes, there is Neon Tetra Disease, but as I said, I can't put my finger on what was wrong. I'm not sure it was that.

The boesmani has been in "quarantine" with those neons for months....so I was thinking that if he's still fine, he should continue to be fine....
 
hmm... months? wow. well if the neons didn't show any sign if disease, just keeled over, he might be fine. but with the recent deaths, it might be safer to leave him for a few days to make sure he won't transfer anything to your other fish
 
Neon Tetra Disease does not affect only Neon Tetras. The disease can also infect Angelfish among others(Not rainbowfish though, I think). It was just observed in Neon Tetras first and since they are so fragile, it most often occurs in them.

I would think that the Neons died just from the stress of being iinfected and then being moved to quarantine. I would, however, leave the boesami in the QT for a couple more weeks to make sure he's ok. Just my thoughts.
 
I know NTD doesn't only affect neons, but I don't think that's what they had.

I do not think that it was stress from being moved that got the neons because they didnt' start to die until nearly a month after being moved and the last couple were in that tank for close to 3 months or more...

thank you for your ideas though!!!
 
Nope. It was fully fishless cycled before I added any of the fish and it stayed that way. Nitrates always less than 20ppm with no ammonia/nitrite...
 
Leopardess, I'd go ahead and put him in the big tank again, especially if he doesn't show signs of mouth fungus anymore. I've tried with 3 different schools of neons, and they always, always die... the first school died from ich, the second school died slowly, like 1 or 2 a day, then I took a break and a year later I got another school, and sure enough they died slowly too... they're the brightest and cutest little buggers, but just are tough as heck to keep.

Good luck!
~Tara
 
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