as you can see in my last post I probably have four big Hypancistrus contradens males (around 12cm). Now I got three more, but smaller ones with 5cm with hopefully one or two females . At the moment I'm having the smaller ones separated from the others in a 60l tank. Now I'm thinking whether I should put them together or not. Maybe they can grow faster in the smaller tank, but maybe it won't really make a difference. So what would you do? Move them all in one tank or keep them separated to hopefully grow the smaller ones faster?
Thank you for your opinions,
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I have never seen bigger ones pick on or harm smaller ones. However, when it comes to claiming caves and spawning, things can get rougher between the individuals involved. This included my contradens when I was working with them.
In light of the above I would suggest you put them all together as long as the smaller ones have cleared your quarantine period.
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Thank you for your comments.