Discus

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RuthlessAggression

Feeder Fish
MFK Member
Oct 25, 2010
175
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Toronto
Anyone know if you can keep in a vertical/column tank, 18"x17.5"x23", was wondering if you could put 3 in one. The tank is a 47 tall. Thanks in advance. Any help will be appreciated.
 
RuthlessAggression;4578215; said:
Anyone know if you can keep in a vertical/column tank, 18"x17.5"x23", was wondering if you could put 3 in one. The tank is a 47 tall. Thanks in advance. Any help will be appreciated.

Three is a bad number due to the pecking order. If you keep less than 4 fish you're most likely going to run into problems. Either:

A) The dominant fish will harass the other two until they get stressed/sick, or die.

B) The two dominant fish will harass the third until it gets stressed/sick, or dies. Then with the remaining two fish, see Example A.

Discus may be tall fish but they do not appreciate tall tanks because they still swim horizontally in the water column. They need their swimming room. If you want to grow out discus, my recommendation is a minimum of six fish grown out in a minimum of a 55 gallon tank.
 
ryan is right. three discus is bad. esp in a small tank like that. I think that'd be around a 20gal.

I used to have 3 in a 29gallon. its too small. they set up territories and the two strong fight non-stop. the weakest one never gets to eat. then there's the times when the two stronger discus gang up on the one weaker discus...

Three may work in a 55gal or a 40 gallon though.
If you have a tank that size, i'd go for a breeding pair of discus rather than 3
 
Thanks for the advice guys, I just wanted to see what my options were. I didn't think it would work because I read that you should get the biggest possible tank for them. I'll just skip the idea all together since the column tank is the only tank I can dedicate to the Discus possibility right now.
 
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