how big will they be when you get them? .. it wont be good enough for life for sure. they need a bit more space to claim territory i do believe. they will get to like .. 8-12" if i remember correctly and will need more room to move and hide from each other etc
hi
yes there are lots of channa that will be ok at room temp,ive got a lot of channa gachua fry for sale at the minute and i keep them at room temp,and your tank would be big enough to hold a group of them till a pair formed.
regards
rob