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Posted by on July 3, 2007, 7:20 am
Please log in for more thread options Hi, I have 2 Boesmani Rainbows in my community tank (with guppies,
mollies, platties and a gourami). I have had the Rainbows for about 4
months, and they seemed to have settled in fine, they eat and play and
have fun. I think they are adults (about 2"), not sure what gender,
they look identical. About 2 weeks ago, one of them suddenly had
turned dark purple brown to one side, from its head back to just past
its gills. It seemed to be happy enough, so I thought it might have
been a particular colour feature, like something to do with mating or
some other reaction to the environment. Now almost all of the brown is
gone, but it seems to be unhappy, motionless, staring into a corner,
not eating etc. It occasionally has a swim around, but I think it is
ill, and it could well have to do with the unexplained colouring. The
other rainbow seems just fine and unaffected. Anyone any idea what
might be going on here? Thanks!
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Posted by Norbert =?iso-8859-1?Q?Heidb=F on July 5, 2007, 12:24 pm
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Hello,
Did it look like this:
http://www.drta-archiv.de/wikidis/index.php/Diseases/ThyroidTumours?
Maybe the fish had a cyst inside his body, a tumor or something like this
which pressed on a nerve for some time. Dark coloring of parts of the body
is often caused by something like this or ill nerves.
--
Grüße
Norbert (Heidbüchel)
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Posted by on July 8, 2007, 4:02 am
Please log in for more thread options Hi Norbert,
That is very interesting! Yes, it looked almost exactly like the
photo's behind the link. So the colouring is caused by a trapped
nerve, which could be caused by a cyst or tumor, which could originate
from internal bacterial infections (acccording the website). Certainly
a few points to check and look out for next time. Interesting that the
colouring almost disappeared again, maybe it recovered, and then had a
fatal setback. Interesting photo's, I need to photograph my fishes
more. Thanks!
Hendrik
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Posted by Norbert =?iso-8859-1?Q?Heidb=F on July 8, 2007, 5:20 am
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Hallo,
> So the colouring is caused by a trapped
> nerve, which could be caused by a cyst or tumor, which could originate
> from internal bacterial infections (acccording the website).
Or an infection of the nerve directly.
> Interesting that the
> colouring almost disappeared again, maybe it recovered, and then had a
> fatal setback.
Maybe. Or the position of the cyst (or something else) has changed.
--
Grüße
Norbert (Heidbüchel)
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> nerve, which could be caused by a cyst or tumor, which could originate
> from internal bacterial infections (acccording the website).