Redtail Catfish With Koi?

Fishman Dave

Dovii
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Nov 14, 2015
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They would be more suitable with koi of that size in such a volume of water, especially if you had any way to view from the side also, they can be hard to see from above.
 

fishhead0103666

Redtail Catfish
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May 14, 2018
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I believe he was referring to the achara.
 
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thebiggerthebetter

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Dec 31, 2009
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How do you differentiate a Male and female redtail when it’s a baby
My way of sexing RTC has not been confirmed or validated by science or high level experts and is only doable for larger RTC, like 2'+ but you can find this info here: https://www.monsterfishkeepers.com/forums/posts/7886697


I was thinking of marbled acharas and sailfin pims
If the latter are sailfin marbled pims then both would work even with 3" koi based on my experience as these catfish are not predatory by nature.
 
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