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M. opercularis oddities!?
March 22, 2013
9:41 am
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Rüdiger
Brunswick / Germany
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May 2, 2012
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Good day to all.

Today I need some advice on recurring incidents with my M. opercularis female. It happened the first time a few weeks back, just after I got the pair and they were still in quaratine. When I checked all tanks just before "lights out" I noticed the female at the water surface, sporting a grotesquely swollen abdomen. Although she lay on her side, she was still actively swimming. Since it was late, I left any action for the next morning. It was about 12 hours later that I got to the tank again and surprisingly I found everything to be "normal" again. No swollen abdomen and very active.

This has happened twice again since then, with recuperation times between 12 and 20 hours. The last time, yesterday, she actually flipped over, swimming "belly up" until she finally made it to the bottom of the tank, sort of wedged herself between two rocks and stayed there. This morning everything was back to normal again. So far the facts.

Of course the first thing that came to mind when it first happened was Aszites (abdominal dropsy). But on closer scrutiny, two of the tell tale symptoms were absent. No bulging eyes and the scales did not stand out. Neither was there any discoloration of the anal region nor in the gills. That, and the fact that she recovers entirely (visual impression) within a short period of time somehow contradict the first verdict?

However, a thorough search of all available literature did not come up with another possible cause. 

Does anyone have an explanation or similar experience?

Regards

R.

P.S. The tank contains a pair of M. Opercularis and a "leftover" stock of 4 D. rerio and 9 T. albonubes. All other fishes appear to be entirely healthy. All water parameters are as they should be.

If you must insist on living in a box ...... at least do your thinking outside.
March 22, 2013
12:49 pm
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Colin
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January 27, 2012
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Hi

 

Can't say that I have ever seen a fish do that at all... Only thing I can compare to is with using Tetra Prima with some L. no plecos where an hour after feeding they swell up, hang about lethargically and then recover by the next day.

Do you think it could be diet related?

cheers

Colin

March 22, 2013
4:45 pm
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Rüdiger
Brunswick / Germany
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May 2, 2012
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Thanx for the quick reply Collin.

They get  80+% live food, daphnia, blood worms, "white mosiquito larvae" and tubifex. The rest is made up from a high protein granulate, freeze dried blood worm and every now and then some flakes. Only thing I can think of is, that she gets too greedy with "surface floating" foods and perhaps swallows too much air?

Regards

R.

If you must insist on living in a box ...... at least do your thinking outside.
March 23, 2013
11:48 am
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coelacanth
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July 30, 2008
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Do the faeces look normal? Never heard of a fish with IBS before...

March 23, 2013
3:05 pm
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Rüdiger
Brunswick / Germany
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May 2, 2012
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Yeah, faeces look normal. I've been watching her very closely for two days now. EVERYTHING is as normal as I would expect. If she bloats again, I'll try to shoot a couple of pics or maybe even better a short video.

If you must insist on living in a box ...... at least do your thinking outside.
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