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 L# The Hospital
  L# Loss of buoyancy
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SubscribeLoss of buoyancy
Posts: 46
Kudos: 17
Votes: 0
Registered: 18-Jul-2003
female australia
I have a Columbian tetra that is constantly swimming upwards at an angle of about 45 degrees. If he swims down or horizontally he is fine, but can't seem to get up to the surface of the tank without considerable effort (he does manage at feed time, but only just). It's horrible watching him try in vain to swim upwards. There are no other apparent problems with him. He has lost some colour, but I think that might be to do with the fact he is exhausted.

Is there anything I can do, or should I end his suffering?

Post InfoPosted 11-Apr-2009 05:25Profile PM Edit Report 
Cichlid Kid
Fish Addict
Posts: 553
Kudos: 285
Votes: 34
Registered: 22-May-2004
male usa
hope your no expecting a quick reply as ive waited several does to no avail. just thought id let you know im in the same boat.
Post InfoPosted 12-Apr-2009 03:14Profile AIM PM Edit Delete Report 
Posts: 5108
Kudos: 5263
Votes: 1690
Registered: 28-Dec-2002
male usa us-colorado
It sounds like your fish has a problem with its "Swim
Bladder." It could simply be a problem with eating freeze
dried foods that were not properly presoaked, and it needs
a laxative, or it could be viral or parasites causing the

Here is a link with some information and suggestions:


-->>> The Confidence of Amateurs, is the Envy of Professionals <<<--
Post InfoPosted 12-Apr-2009 08:46Profile PM Edit Delete Report 
Small Fry
Posts: 1
Kudos: 2
Votes: 0
Registered: 04-Jul-2013
Hello, bkaryn.

Any luck with your Columbian? One of my 7 Columbians has been doing the very same thing as yours for the last 2 months or so. Looks great, healthy, but constantly swimming to keep from sinking down to the gravel. I wish he would just sink, catch his breath - so to speak - and start swimming again.

He still has the power to dart at other Columbians, which makes me feel a bit better.

I remember seeing a tv show MANY years ago about a rather large, fancy goldfish that lost its buoyancy and the owner, somehow, attached a little balloon to him/her with just enough air to help him get to the top, but easily swim down to the gravel as well.

Hope yours is doing well.

Post InfoPosted 04-Jul-2013 17:04Profile PM Edit Delete Report 
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