thank you very much. The pics were taken just 10 minutes after i filled the water in. So forgive the blurry water and all those bubbles on the glass.
My plan is to buy 4 channa. When pair found together i´ll catch out the remaining two. I know that channa gachua are very nasty sometimes and that even a pair of them that lived in harmony for months can suddenly start a fight. Because of that i added that large piece of driftwood in the center, so they can hide from each other.