Dwarf Gourami - QT or not?
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Dwarf Gourami - QT or not?

This is a discussion on Dwarf Gourami - QT or not? within the Anabantids forums, part of the Freshwater and Tropical Fish category; --> I am somewhat cross posting this question from Tropical Fish Diseases, but wanted Anabantid specific advice as well. Until a few days ago, I ...

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Dwarf Gourami - QT or not?
Old 05-15-2014, 10:17 AM   #1
 
Exclamation Dwarf Gourami - QT or not?

I am somewhat cross posting this question from Tropical Fish Diseases, but wanted Anabantid specific advice as well.

Until a few days ago, I had no QT tank at home.

I have an established 55 gallon tank to which I added 2 Dwarf Gouramis back in Jan or Feb 2014 (aquired from Petsmart or similiar). One seemed terribly stressed from day 1 and died within a couple days. The other was hardy and has done quite well.

After a couple weeks, some of the established fish started looking stressed. I treated the whole tank with Quick Cure and everyone soon returned to normal.

I decided I wanted a 2nd dwarf gourami, so acquired one about 2 weeks ago from a LFS with a good reputation. In recollection, the dwarf gourami had just come out of QT in the LFS that same day and looked stressed (rapid respiration) in the store tank. They assured me all was well, so I took him home. Immediately the resident gourami started hanging around him and chasing him. The new gourami remained stressed looking. After a few days, I found the new gourami on his side at the bottom of the tank, apparently dying (barely breathing etc). I removed him from the tank and euthanized him.

The next day, the resident gourami started looking stressed/hiding/fast respirations/looking abdominally bloated. And within 2 days, some of the other fish in the tank started looking stressed, too. And swimming kind of weird. Moreover, the gourami started drifting in the tank, hanging out in the tank at an odd angle (45 degree) and occ curving into a c shape. Seems he started having trouble moving about in the tank.

The LFS tested my water and found high nitrates, so I did a 50 percent water change with gravel vacuum, added aquarium salt and I treated the whole tank with Quick Cure x 5 days. Everyone looks normal now. Except the gourami. He still looks bloated. Normal waste that I have observed. Still hanging low in the tank, but not at a 45 degree angle. He is eating, but slowly. He is swimming to the top, but slowly. I don't see him curving into a c shape. Overall,he's better, but not well.

My QT tank was just set up a few days ago and cycling encouraged by adding water and material from the 55 gallon tank. Ammonia and Nitrites at 0.25 this morning. Nitrate at 5.

Do I move the gourami over and try to treat with Erythromycin? Or something else?

Thanks in advance.
Kim
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Old 05-15-2014, 12:32 PM   #2
 
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Regardless of pet store QT, one should always QT their fish, especially ones like gouramis and labyrinth fish. Those should be QT'd a minimum of a month since gourami's especially can carry some rather nasty, and incurable illnesses.

Adding gourami's together, even in large tanks, can also be iffy. They may have gotten along at one point, but sometimes, usually, lose tolerance to the others eventually.

So yes, if you get another, QT it first in a smaller, easier to treat tank over putting it in the larger tank which may spread a nasty to the whole thing requiring treatment of the tank itself in some cases.
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Old 05-15-2014, 02:45 PM   #3
 
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I have found that Dwarf Gouramis are usually the more aggressive too.
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Old 05-15-2014, 03:39 PM   #4
 
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Gouramis in general don't need to be quarantined any more than any other fish. The only gourami specific disease that I am aware of is dwarf gourami disease, which only affects DGs - not other gourami species. And since one shouldn't be keeping multiple DGs together, the concern about quarantining and DGD is a moot point.
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Old 05-15-2014, 10:31 PM   #5
 
So based upon the info provided, do I QT the one DG that I have? He has been in my 55 gallon tank for several months and was apparently well. The in came the LFS new DG, who quickly sickened/was euthanized. Original DG immediately began hiding and acting weird. But better than before.

Current symptoms: He still looks bloated. Normal waste that I have observed. Still hanging low in the tank, but not at a 45 degree angle like before. He is eating, but slowly. He is swimming to the top, but slowly. I don't see him curving into a c shape anymore. He does seem to drift in the HOB Penguin Biowheel filter current.

Since whole tank already exposed and treated with Quick Cure x 5 days, do I QT the DG and treat with antibiotics instead? I have erythromycin.

My QT is in the midst of a quick cycle (this morning parameter Ammonia, Nitrites both 0.25, Nitrates 5).

Last edited by kcurtis; 05-15-2014 at 10:38 PM..
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Old 05-15-2014, 10:54 PM   #6
 
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It's always best to quarantine new fish. But your DG is not new. If a fish is acting weird and I can't figure out why, I will separate the fish for further observation. Of course that's only helpful if the tank the fish is being moved to is cycled, otherwise the stress associated with being in an uncycled tank can make observing it's problematic behavior an issue.
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Old 05-16-2014, 01:17 AM   #7
 
If you're adding any fish to a community tank it should go in QT for a while for observation. Back in the day when I was a wholesaler, gouramis used to come in with this odd slime coat issue that was a combo of bacteria, parasites and secondary fungal infection. We used Formalin and a braod spectrum antibiotic. We would later dose with salt and Meth Blue. If you purchase gouramis ask where the store got them from. Some farms raise and or sell Florida fish only, other import. The imports are a problem.
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Old 05-17-2014, 01:12 AM   #8
 
Thanks for the advice
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