Originally Posted by Bombalurina
It's not unhealthy, unless you have species other than bettas in there. :) A betta's natural habitat varies from slowmoving to dead still. :) Still water attracts more insects, therefore more foods, so bettas are adapted to thrive in still water, what with labyrinth organs and upturned mouths for eating from the surface. :)
Okay, cool :D I have a few ghost shrimp in there, but by species I assume you mean fish, not crustaceans. :P
So in review, I shouldn't bother getting an air pump unless I really want to?