Bottom-dweller for a breeding tank?

Ram and Rasbora

AC Members
Mar 6, 2011
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I have a 20g tank with 6 rasbora's and a "pair" of rams. My dilemma is that, i would like a bottom-dweller, as i've always loved them, but my rasbora's started laying yesterday and at some point im hoping my rams will lay(still young) So my question is are there any bottom-dwellers that wont eat eggs or at least not as much as others?

Thanks in advance :D
 
I've set up a small trap around the plant they spawn on. But does this mean no bottom-dwellers if i want to breed my fish?
And thanks for the advice.
 
some oto catfish might behave (they are vegetarian) but you have to keep the well fed

Otocinclus_U1AQ.jpg
 
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