Thanks for the reply, I'll add try to add at least 3 more of the BA tetras as soon as possible, if I was to add more plants and shelter into the tank as well could that minimise the aggression between the two?
I recently bought two healthy blue gouramis for my 4 foot, 200 gallon tank. They share the tank with three other buenos aires tetras. There's been no complications with the tetras so far (apart from feeding time). But both gouramis will chase each other at different times (larger chases during...