Cardinal Tetra Swim Bladder Disorder - The Planted Tank Forum
 
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post #1 of 2 (permalink) Old 10-17-2020, 01:58 PM Thread Starter
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Cardinal Tetra Swim Bladder Disorder

Anyone had any success treating this? One of my cardinal tetras keeps sinking, has to continuously swim to keep somewhat buoyant. It is the oldest of the bunch, not sure how old, because he/she's much bigger than the others, maybe 1 1/4 or 1 1/2 inches long (clearly the last survivor of an older group than the others in the tank).

I tried the fast for three days then feed skinned, thawed frozen peas treatment, but this fish ignored the peas which immediately sank to the bottom (put some in a floating feeding ring, to no avail). Fish has had this for almost a week. Parameters are all perfect, long established tank with perfect water quality, etc. Maybe just age for this guy.

Would consider moving to the quarantine tank, but that is occupied by 11 cardinals (been in there for something like 8 weeks), waiting to move into the display tank.

29 gallon, pH controlled CO2, Current USA + Pro LED, Eco-complete, Eheim Classic.

20L gallon, same configuration with HOB filter, suffering from tank size envy.


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post #2 of 2 (permalink) Old Yesterday, 11:06 PM
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Could just be old age. They can live a fairly long time but as they age get weaker and are prone to all sorts of issues. Struggles with swimming and balance issues are a common sign they are on their last legs and not really much can be done about it.


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