Nidge
Fish Herder
I totally agreeBecca said:Tetras are normally middle feeders and - from what I've seen with my assortment of tetras - can, and will, go days without eating. I just make sure to throw in a pinch of sinking flakes, crumbled up pretty finely. If the tetras are hungry, they'll grab them as they float down.
Usually when I add new tetras, or any new fish, for that matter, it takes 'em a day or two to adjust to the tank. During that period they're pretty much not interested in any food I toss in.
Hope this helps.